Home / 90,066.09-124,226.74-63,214.59

Finding the Fourth Proportional to 90,066.09, 124,226.74 and 63,214.59

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Solution

The fourth proportional to 90,066.09, 124,226.74 and 63,214.59 is: 87,190.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,066.09 : 124,226.74 = 63,214.59 : x
  2. Step 2: Convert to fraction form
    90,066.09/124,226.74 = 63,214.59/x
  3. Step 3: Cross multiply
    90,066.09x = 124,226.74 × 63,214.59
  4. Step 4: Simplify right side
    90,066.09x = 7,852,942,436.14
  5. Step 5: Solve for x
    x = 7,852,942,436.14/90,066.09
  6. Step 6: Final answer
    x = 87,190.89

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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.