Home / 82,302.46-123,617.71-77,660.35

Finding the Fourth Proportional to 82,302.46, 123,617.71 and 77,660.35

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Solution

The fourth proportional to 82,302.46, 123,617.71 and 77,660.35 is: 116,645.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,302.46 : 123,617.71 = 77,660.35 : x
  2. Step 2: Convert to fraction form
    82,302.46/123,617.71 = 77,660.35/x
  3. Step 3: Cross multiply
    82,302.46x = 123,617.71 × 77,660.35
  4. Step 4: Simplify right side
    82,302.46x = 9,600,194,624.80
  5. Step 5: Solve for x
    x = 9,600,194,624.80/82,302.46
  6. Step 6: Final answer
    x = 116,645.29

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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.