Home / 90,490.57-124,882.89-52,251.73

Finding the Fourth Proportional to 90,490.57, 124,882.89 and 52,251.73

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Solution

The fourth proportional to 90,490.57, 124,882.89 and 52,251.73 is: 72,110.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,490.57 : 124,882.89 = 52,251.73 : x
  2. Step 2: Convert to fraction form
    90,490.57/124,882.89 = 52,251.73/x
  3. Step 3: Cross multiply
    90,490.57x = 124,882.89 × 52,251.73
  4. Step 4: Simplify right side
    90,490.57x = 6,525,347,049.90
  5. Step 5: Solve for x
    x = 6,525,347,049.90/90,490.57
  6. Step 6: Final answer
    x = 72,110.80

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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.