Home / 85,140.01-117,493.17-49,350.76

Finding the Fourth Proportional to 85,140.01, 117,493.17 and 49,350.76

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Solution

The fourth proportional to 85,140.01, 117,493.17 and 49,350.76 is: 68,104.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,140.01 : 117,493.17 = 49,350.76 : x
  2. Step 2: Convert to fraction form
    85,140.01/117,493.17 = 49,350.76/x
  3. Step 3: Cross multiply
    85,140.01x = 117,493.17 × 49,350.76
  4. Step 4: Simplify right side
    85,140.01x = 5,798,377,234.31
  5. Step 5: Solve for x
    x = 5,798,377,234.31/85,140.01
  6. Step 6: Final answer
    x = 68,104.02

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1.5x scale

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.