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Finding the Fourth Proportional to 83,886.60, 125,829.90 and 50,644.20

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Solution

The fourth proportional to 83,886.60, 125,829.90 and 50,644.20 is: 75,966.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,886.60 : 125,829.90 = 50,644.20 : x
  2. Step 2: Convert to fraction form
    83,886.60/125,829.90 = 50,644.20/x
  3. Step 3: Cross multiply
    83,886.60x = 125,829.90 × 50,644.20
  4. Step 4: Simplify right side
    83,886.60x = 6,372,554,621.58
  5. Step 5: Solve for x
    x = 6,372,554,621.58/83,886.60
  6. Step 6: Final answer
    x = 75,966.30

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.