Home / 83,557.64-115,324.28-49,584.86

Finding the Fourth Proportional to 83,557.64, 115,324.28 and 49,584.86

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Solution

The fourth proportional to 83,557.64, 115,324.28 and 49,584.86 is: 68,435.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,557.64 : 115,324.28 = 49,584.86 : x
  2. Step 2: Convert to fraction form
    83,557.64/115,324.28 = 49,584.86/x
  3. Step 3: Cross multiply
    83,557.64x = 115,324.28 × 49,584.86
  4. Step 4: Simplify right side
    83,557.64x = 5,718,337,453.86
  5. Step 5: Solve for x
    x = 5,718,337,453.86/83,557.64
  6. Step 6: Final answer
    x = 68,435.85

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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.