Home / 83,569.29-115,282.66-54,884.83

Finding the Fourth Proportional to 83,569.29, 115,282.66 and 54,884.83

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Solution

The fourth proportional to 83,569.29, 115,282.66 and 54,884.83 is: 75,712.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,569.29 : 115,282.66 = 54,884.83 : x
  2. Step 2: Convert to fraction form
    83,569.29/115,282.66 = 54,884.83/x
  3. Step 3: Cross multiply
    83,569.29x = 115,282.66 × 54,884.83
  4. Step 4: Simplify right side
    83,569.29x = 6,327,269,196.05
  5. Step 5: Solve for x
    x = 6,327,269,196.05/83,569.29
  6. Step 6: Final answer
    x = 75,712.85

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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.