Home / 83,035.60-124,553.40-49,793.20

Finding the Fourth Proportional to 83,035.60, 124,553.40 and 49,793.20

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Solution

The fourth proportional to 83,035.60, 124,553.40 and 49,793.20 is: 74,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,035.60 : 124,553.40 = 49,793.20 : x
  2. Step 2: Convert to fraction form
    83,035.60/124,553.40 = 49,793.20/x
  3. Step 3: Cross multiply
    83,035.60x = 124,553.40 × 49,793.20
  4. Step 4: Simplify right side
    83,035.60x = 6,201,912,356.88
  5. Step 5: Solve for x
    x = 6,201,912,356.88/83,035.60
  6. Step 6: Final answer
    x = 74,689.80

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1.5x scale

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.