Home / 83,550.61-125,289.06-39,141.55

Finding the Fourth Proportional to 83,550.61, 125,289.06 and 39,141.55

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Solution

The fourth proportional to 83,550.61, 125,289.06 and 39,141.55 is: 58,695.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,550.61 : 125,289.06 = 39,141.55 : x
  2. Step 2: Convert to fraction form
    83,550.61/125,289.06 = 39,141.55/x
  3. Step 3: Cross multiply
    83,550.61x = 125,289.06 × 39,141.55
  4. Step 4: Simplify right side
    83,550.61x = 4,904,008,006.44
  5. Step 5: Solve for x
    x = 4,904,008,006.44/83,550.61
  6. Step 6: Final answer
    x = 58,695.06

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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.