Home / 138,085.38-207,062.62-48,096.71

Finding the Fourth Proportional to 138,085.38, 207,062.62 and 48,096.71

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Solution

The fourth proportional to 138,085.38, 207,062.62 and 48,096.71 is: 72,122.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    138,085.38 : 207,062.62 = 48,096.71 : x
  2. Step 2: Convert to fraction form
    138,085.38/207,062.62 = 48,096.71/x
  3. Step 3: Cross multiply
    138,085.38x = 207,062.62 × 48,096.71
  4. Step 4: Simplify right side
    138,085.38x = 9,959,030,785.98
  5. Step 5: Solve for x
    x = 9,959,030,785.98/138,085.38
  6. Step 6: Final answer
    x = 72,122.27

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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.