Home / 83,671.17-115,454.60-49,217.47

Finding the Fourth Proportional to 83,671.17, 115,454.60 and 49,217.47

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Solution

The fourth proportional to 83,671.17, 115,454.60 and 49,217.47 is: 67,913.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,671.17 : 115,454.60 = 49,217.47 : x
  2. Step 2: Convert to fraction form
    83,671.17/115,454.60 = 49,217.47/x
  3. Step 3: Cross multiply
    83,671.17x = 115,454.60 × 49,217.47
  4. Step 4: Simplify right side
    83,671.17x = 5,682,382,961.70
  5. Step 5: Solve for x
    x = 5,682,382,961.70/83,671.17
  6. Step 6: Final answer
    x = 67,913.27

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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.