Home / 82,446.28-123,655.08-38,069.26

Finding the Fourth Proportional to 82,446.28, 123,655.08 and 38,069.26

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Solution

The fourth proportional to 82,446.28, 123,655.08 and 38,069.26 is: 57,097.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,446.28 : 123,655.08 = 38,069.26 : x
  2. Step 2: Convert to fraction form
    82,446.28/123,655.08 = 38,069.26/x
  3. Step 3: Cross multiply
    82,446.28x = 123,655.08 × 38,069.26
  4. Step 4: Simplify right side
    82,446.28x = 4,707,457,390.84
  5. Step 5: Solve for x
    x = 4,707,457,390.84/82,446.28
  6. Step 6: Final answer
    x = 57,097.27

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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.