Home / 90,001.98-124,203.69-49,716.81

Finding the Fourth Proportional to 90,001.98, 124,203.69 and 49,716.81

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Solution

The fourth proportional to 90,001.98, 124,203.69 and 49,716.81 is: 68,609.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,001.98 : 124,203.69 = 49,716.81 : x
  2. Step 2: Convert to fraction form
    90,001.98/124,203.69 = 49,716.81/x
  3. Step 3: Cross multiply
    90,001.98x = 124,203.69 × 49,716.81
  4. Step 4: Simplify right side
    90,001.98x = 6,175,011,257.03
  5. Step 5: Solve for x
    x = 6,175,011,257.03/90,001.98
  6. Step 6: Final answer
    x = 68,609.73

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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.