Home / 83,272.20-124,865.10-30,654.60

Finding the Fourth Proportional to 83,272.20, 124,865.10 and 30,654.60

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Solution

The fourth proportional to 83,272.20, 124,865.10 and 30,654.60 is: 45,966.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,272.20 : 124,865.10 = 30,654.60 : x
  2. Step 2: Convert to fraction form
    83,272.20/124,865.10 = 30,654.60/x
  3. Step 3: Cross multiply
    83,272.20x = 124,865.10 × 30,654.60
  4. Step 4: Simplify right side
    83,272.20x = 3,827,689,694.46
  5. Step 5: Solve for x
    x = 3,827,689,694.46/83,272.20
  6. Step 6: Final answer
    x = 45,966.00

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Why These Related Problems?

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