Home / 90,301.56-124,549.02-58,445.88

Finding the Fourth Proportional to 90,301.56, 124,549.02 and 58,445.88

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Solution

The fourth proportional to 90,301.56, 124,549.02 and 58,445.88 is: 80,611.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,301.56 : 124,549.02 = 58,445.88 : x
  2. Step 2: Convert to fraction form
    90,301.56/124,549.02 = 58,445.88/x
  3. Step 3: Cross multiply
    90,301.56x = 124,549.02 × 58,445.88
  4. Step 4: Simplify right side
    90,301.56x = 7,279,377,077.04
  5. Step 5: Solve for x
    x = 7,279,377,077.04/90,301.56
  6. Step 6: Final answer
    x = 80,611.86

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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.