Home / 52,531.28-78,811.50-29,174.12

Finding the Fourth Proportional to 52,531.28, 78,811.50 and 29,174.12

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Solution

The fourth proportional to 52,531.28, 78,811.50 and 29,174.12 is: 43,769.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,531.28 : 78,811.50 = 29,174.12 : x
  2. Step 2: Convert to fraction form
    52,531.28/78,811.50 = 29,174.12/x
  3. Step 3: Cross multiply
    52,531.28x = 78,811.50 × 29,174.12
  4. Step 4: Simplify right side
    52,531.28x = 2,299,256,158.38
  5. Step 5: Solve for x
    x = 2,299,256,158.38/52,531.28
  6. Step 6: Final answer
    x = 43,769.28

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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.