Home / 83,545.85-115,345.69-58,044.02

Finding the Fourth Proportional to 83,545.85, 115,345.69 and 58,044.02

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Solution

The fourth proportional to 83,545.85, 115,345.69 and 58,044.02 is: 80,137.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,545.85 : 115,345.69 = 58,044.02 : x
  2. Step 2: Convert to fraction form
    83,545.85/115,345.69 = 58,044.02/x
  3. Step 3: Cross multiply
    83,545.85x = 115,345.69 × 58,044.02
  4. Step 4: Simplify right side
    83,545.85x = 6,695,126,815.44
  5. Step 5: Solve for x
    x = 6,695,126,815.44/83,545.85
  6. Step 6: Final answer
    x = 80,137.15

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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.