Home / 83,345.76-125,026.20-27,171.45

Finding the Fourth Proportional to 83,345.76, 125,026.20 and 27,171.45

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Solution

The fourth proportional to 83,345.76, 125,026.20 and 27,171.45 is: 40,759.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,345.76 : 125,026.20 = 27,171.45 : x
  2. Step 2: Convert to fraction form
    83,345.76/125,026.20 = 27,171.45/x
  3. Step 3: Cross multiply
    83,345.76x = 125,026.20 × 27,171.45
  4. Step 4: Simplify right side
    83,345.76x = 3,397,143,141.99
  5. Step 5: Solve for x
    x = 3,397,143,141.99/83,345.76
  6. Step 6: Final answer
    x = 40,759.64

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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.