Home / 87,457.40-131,034.90-40,614.20

Finding the Fourth Proportional to 87,457.40, 131,034.90 and 40,614.20

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Solution

The fourth proportional to 87,457.40, 131,034.90 and 40,614.20 is: 60,851.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,457.40 : 131,034.90 = 40,614.20 : x
  2. Step 2: Convert to fraction form
    87,457.40/131,034.90 = 40,614.20/x
  3. Step 3: Cross multiply
    87,457.40x = 131,034.90 × 40,614.20
  4. Step 4: Simplify right side
    87,457.40x = 5,321,877,635.58
  5. Step 5: Solve for x
    x = 5,321,877,635.58/87,457.40
  6. Step 6: Final answer
    x = 60,851.08

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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.