Home / 90,614.70-125,044.82-50,331.04

Finding the Fourth Proportional to 90,614.70, 125,044.82 and 50,331.04

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Solution

The fourth proportional to 90,614.70, 125,044.82 and 50,331.04 is: 69,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.70 : 125,044.82 = 50,331.04 : x
  2. Step 2: Convert to fraction form
    90,614.70/125,044.82 = 50,331.04/x
  3. Step 3: Cross multiply
    90,614.70x = 125,044.82 × 50,331.04
  4. Step 4: Simplify right side
    90,614.70x = 6,293,636,463.42
  5. Step 5: Solve for x
    x = 6,293,636,463.42/90,614.70
  6. Step 6: Final answer
    x = 69,454.92

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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.