Home / 83,566.92-115,257.18-51,753.48

Finding the Fourth Proportional to 83,566.92, 115,257.18 and 51,753.48

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Solution

The fourth proportional to 83,566.92, 115,257.18 and 51,753.48 is: 71,379.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,566.92 : 115,257.18 = 51,753.48 : x
  2. Step 2: Convert to fraction form
    83,566.92/115,257.18 = 51,753.48/x
  3. Step 3: Cross multiply
    83,566.92x = 115,257.18 × 51,753.48
  4. Step 4: Simplify right side
    83,566.92x = 5,964,960,159.99
  5. Step 5: Solve for x
    x = 5,964,960,159.99/83,566.92
  6. Step 6: Final answer
    x = 71,379.44

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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.