Home / 78,934.97-108,939.57-44,951.60

Finding the Fourth Proportional to 78,934.97, 108,939.57 and 44,951.60

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Solution

The fourth proportional to 78,934.97, 108,939.57 and 44,951.60 is: 62,038.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,934.97 : 108,939.57 = 44,951.60 : x
  2. Step 2: Convert to fraction form
    78,934.97/108,939.57 = 44,951.60/x
  3. Step 3: Cross multiply
    78,934.97x = 108,939.57 × 44,951.60
  4. Step 4: Simplify right side
    78,934.97x = 4,897,007,974.81
  5. Step 5: Solve for x
    x = 4,897,007,974.81/78,934.97
  6. Step 6: Final answer
    x = 62,038.51

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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.