Home / 94,734.60-142,217.10-71,176.20

Finding the Fourth Proportional to 94,734.60, 142,217.10 and 71,176.20

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Solution

The fourth proportional to 94,734.60, 142,217.10 and 71,176.20 is: 106,850.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    94,734.60 : 142,217.10 = 71,176.20 : x
  2. Step 2: Convert to fraction form
    94,734.60/142,217.10 = 71,176.20/x
  3. Step 3: Cross multiply
    94,734.60x = 142,217.10 × 71,176.20
  4. Step 4: Simplify right side
    94,734.60x = 10,122,472,753.02
  5. Step 5: Solve for x
    x = 10,122,472,753.02/94,734.60
  6. Step 6: Final answer
    x = 106,850.85

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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.