Home / 54,335.76-81,512.28-23,171.28

Finding the Fourth Proportional to 54,335.76, 81,512.28 and 23,171.28

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Solution

The fourth proportional to 54,335.76, 81,512.28 and 23,171.28 is: 34,760.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,335.76 : 81,512.28 = 23,171.28 : x
  2. Step 2: Convert to fraction form
    54,335.76/81,512.28 = 23,171.28/x
  3. Step 3: Cross multiply
    54,335.76x = 81,512.28 × 23,171.28
  4. Step 4: Simplify right side
    54,335.76x = 1,888,743,863.32
  5. Step 5: Solve for x
    x = 1,888,743,863.32/54,335.76
  6. Step 6: Final answer
    x = 34,760.60

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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.