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Finding the Fourth Proportional to 78,500.39, 108,333.41 and 44,972.87

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Solution

The fourth proportional to 78,500.39, 108,333.41 and 44,972.87 is: 62,064.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,500.39 : 108,333.41 = 44,972.87 : x
  2. Step 2: Convert to fraction form
    78,500.39/108,333.41 = 44,972.87/x
  3. Step 3: Cross multiply
    78,500.39x = 108,333.41 × 44,972.87
  4. Step 4: Simplify right side
    78,500.39x = 4,872,063,598.06
  5. Step 5: Solve for x
    x = 4,872,063,598.06/78,500.39
  6. Step 6: Final answer
    x = 62,064.20

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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.