Home / 54,272.70-81,422.01-22,665.15

Finding the Fourth Proportional to 54,272.70, 81,422.01 and 22,665.15

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Solution

The fourth proportional to 54,272.70, 81,422.01 and 22,665.15 is: 34,003.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,272.70 : 81,422.01 = 22,665.15 : x
  2. Step 2: Convert to fraction form
    54,272.70/81,422.01 = 22,665.15/x
  3. Step 3: Cross multiply
    54,272.70x = 81,422.01 × 22,665.15
  4. Step 4: Simplify right side
    54,272.70x = 1,845,442,069.95
  5. Step 5: Solve for x
    x = 1,845,442,069.95/54,272.70
  6. Step 6: Final answer
    x = 34,003.14

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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.