Home / 124,951.20-172,434.24-68,363.52

Finding the Fourth Proportional to 124,951.20, 172,434.24 and 68,363.52

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Solution

The fourth proportional to 124,951.20, 172,434.24 and 68,363.52 is: 94,342.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,951.20 : 172,434.24 = 68,363.52 : x
  2. Step 2: Convert to fraction form
    124,951.20/172,434.24 = 68,363.52/x
  3. Step 3: Cross multiply
    124,951.20x = 172,434.24 × 68,363.52
  4. Step 4: Simplify right side
    124,951.20x = 11,788,211,614.92
  5. Step 5: Solve for x
    x = 11,788,211,614.92/124,951.20
  6. Step 6: Final answer
    x = 94,342.52

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.