Home / 82,439.33-123,572.42-52,476.51

Finding the Fourth Proportional to 82,439.33, 123,572.42 and 52,476.51

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Solution

The fourth proportional to 82,439.33, 123,572.42 and 52,476.51 is: 78,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,439.33 : 123,572.42 = 52,476.51 : x
  2. Step 2: Convert to fraction form
    82,439.33/123,572.42 = 52,476.51/x
  3. Step 3: Cross multiply
    82,439.33x = 123,572.42 × 52,476.51
  4. Step 4: Simplify right side
    82,439.33x = 6,484,649,380.40
  5. Step 5: Solve for x
    x = 6,484,649,380.40/82,439.33
  6. Step 6: Final answer
    x = 78,659.66

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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.