Home / 83,581.07-115,277.38-58,086.92

Finding the Fourth Proportional to 83,581.07, 115,277.38 and 58,086.92

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Solution

The fourth proportional to 83,581.07, 115,277.38 and 58,086.92 is: 80,115.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,581.07 : 115,277.38 = 58,086.92 : x
  2. Step 2: Convert to fraction form
    83,581.07/115,277.38 = 58,086.92/x
  3. Step 3: Cross multiply
    83,581.07x = 115,277.38 × 58,086.92
  4. Step 4: Simplify right side
    83,581.07x = 6,696,108,092.85
  5. Step 5: Solve for x
    x = 6,696,108,092.85/83,581.07
  6. Step 6: Final answer
    x = 80,115.13

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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.