Home / 82,470.54-123,697.61-38,096.66

Finding the Fourth Proportional to 82,470.54, 123,697.61 and 38,096.66

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Solution

The fourth proportional to 82,470.54, 123,697.61 and 38,096.66 is: 57,141.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,470.54 : 123,697.61 = 38,096.66 : x
  2. Step 2: Convert to fraction form
    82,470.54/123,697.61 = 38,096.66/x
  3. Step 3: Cross multiply
    82,470.54x = 123,697.61 × 38,096.66
  4. Step 4: Simplify right side
    82,470.54x = 4,712,464,982.01
  5. Step 5: Solve for x
    x = 4,712,464,982.01/82,470.54
  6. Step 6: Final answer
    x = 57,141.19

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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.