Home / 82,614.40-123,919.02-26,457.88

Finding the Fourth Proportional to 82,614.40, 123,919.02 and 26,457.88

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Solution

The fourth proportional to 82,614.40, 123,919.02 and 26,457.88 is: 39,685.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,614.40 : 123,919.02 = 26,457.88 : x
  2. Step 2: Convert to fraction form
    82,614.40/123,919.02 = 26,457.88/x
  3. Step 3: Cross multiply
    82,614.40x = 123,919.02 × 26,457.88
  4. Step 4: Simplify right side
    82,614.40x = 3,278,634,560.88
  5. Step 5: Solve for x
    x = 3,278,634,560.88/82,614.40
  6. Step 6: Final answer
    x = 39,685.99

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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.