Home / 90,001.51-124,202.14-49,166.19

Finding the Fourth Proportional to 90,001.51, 124,202.14 and 49,166.19

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Solution

The fourth proportional to 90,001.51, 124,202.14 and 49,166.19 is: 67,849.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.51 : 124,202.14 = 49,166.19 : x
  2. Step 2: Convert to fraction form
    90,001.51/124,202.14 = 49,166.19/x
  3. Step 3: Cross multiply
    90,001.51x = 124,202.14 × 49,166.19
  4. Step 4: Simplify right side
    90,001.51x = 6,106,545,890.73
  5. Step 5: Solve for x
    x = 6,106,545,890.73/90,001.51
  6. Step 6: Final answer
    x = 67,849.37

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.