Home / 83,709.52-125,590.20-39,334.48

Finding the Fourth Proportional to 83,709.52, 125,590.20 and 39,334.48

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Solution

The fourth proportional to 83,709.52, 125,590.20 and 39,334.48 is: 59,013.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,709.52 : 125,590.20 = 39,334.48 : x
  2. Step 2: Convert to fraction form
    83,709.52/125,590.20 = 39,334.48/x
  3. Step 3: Cross multiply
    83,709.52x = 125,590.20 × 39,334.48
  4. Step 4: Simplify right side
    83,709.52x = 4,940,025,210.10
  5. Step 5: Solve for x
    x = 4,940,025,210.10/83,709.52
  6. Step 6: Final answer
    x = 59,013.90

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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.