Home / 90,472.32-135,387.60-58,862.88

Finding the Fourth Proportional to 90,472.32, 135,387.60 and 58,862.88

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Solution

The fourth proportional to 90,472.32, 135,387.60 and 58,862.88 is: 88,085.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.32 : 135,387.60 = 58,862.88 : x
  2. Step 2: Convert to fraction form
    90,472.32/135,387.60 = 58,862.88/x
  3. Step 3: Cross multiply
    90,472.32x = 135,387.60 × 58,862.88
  4. Step 4: Simplify right side
    90,472.32x = 7,969,304,052.29
  5. Step 5: Solve for x
    x = 7,969,304,052.29/90,472.32
  6. Step 6: Final answer
    x = 88,085.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.