Home / 78,939.04-108,930.65-44,951.01

Finding the Fourth Proportional to 78,939.04, 108,930.65 and 44,951.01

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Solution

The fourth proportional to 78,939.04, 108,930.65 and 44,951.01 is: 62,029.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,939.04 : 108,930.65 = 44,951.01 : x
  2. Step 2: Convert to fraction form
    78,939.04/108,930.65 = 44,951.01/x
  3. Step 3: Cross multiply
    78,939.04x = 108,930.65 × 44,951.01
  4. Step 4: Simplify right side
    78,939.04x = 4,896,542,737.46
  5. Step 5: Solve for x
    x = 4,896,542,737.46/78,939.04
  6. Step 6: Final answer
    x = 62,029.42

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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.