Home / 124,877.92-187,312.52-54,757.84

Finding the Fourth Proportional to 124,877.92, 187,312.52 and 54,757.84

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Solution

The fourth proportional to 124,877.92, 187,312.52 and 54,757.84 is: 82,134.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,877.92 : 187,312.52 = 54,757.84 : x
  2. Step 2: Convert to fraction form
    124,877.92/187,312.52 = 54,757.84/x
  3. Step 3: Cross multiply
    124,877.92x = 187,312.52 × 54,757.84
  4. Step 4: Simplify right side
    124,877.92x = 10,256,829,000.16
  5. Step 5: Solve for x
    x = 10,256,829,000.16/124,877.92
  6. Step 6: Final answer
    x = 82,134.85

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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.