Home / 83,516.29-115,257.19-49,544.89

Finding the Fourth Proportional to 83,516.29, 115,257.19 and 49,544.89

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Solution

The fourth proportional to 83,516.29, 115,257.19 and 49,544.89 is: 68,374.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,516.29 : 115,257.19 = 49,544.89 : x
  2. Step 2: Convert to fraction form
    83,516.29/115,257.19 = 49,544.89/x
  3. Step 3: Cross multiply
    83,516.29x = 115,257.19 × 49,544.89
  4. Step 4: Simplify right side
    83,516.29x = 5,710,404,223.97
  5. Step 5: Solve for x
    x = 5,710,404,223.97/83,516.29
  6. Step 6: Final answer
    x = 68,374.74

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1.5x scale

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.