Home / 48,062.38-66,331.68-39,981.76

Finding the Fourth Proportional to 48,062.38, 66,331.68 and 39,981.76

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Solution

The fourth proportional to 48,062.38, 66,331.68 and 39,981.76 is: 55,179.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,062.38 : 66,331.68 = 39,981.76 : x
  2. Step 2: Convert to fraction form
    48,062.38/66,331.68 = 39,981.76/x
  3. Step 3: Cross multiply
    48,062.38x = 66,331.68 × 39,981.76
  4. Step 4: Simplify right side
    48,062.38x = 2,652,057,310.16
  5. Step 5: Solve for x
    x = 2,652,057,310.16/48,062.38
  6. Step 6: Final answer
    x = 55,179.48

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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.