Home / 54,531.10-81,753.45-29,907.10

Finding the Fourth Proportional to 54,531.10, 81,753.45 and 29,907.10

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Solution

The fourth proportional to 54,531.10, 81,753.45 and 29,907.10 is: 44,836.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,531.10 : 81,753.45 = 29,907.10 : x
  2. Step 2: Convert to fraction form
    54,531.10/81,753.45 = 29,907.10/x
  3. Step 3: Cross multiply
    54,531.10x = 81,753.45 × 29,907.10
  4. Step 4: Simplify right side
    54,531.10x = 2,445,008,604.50
  5. Step 5: Solve for x
    x = 2,445,008,604.50/54,531.10
  6. Step 6: Final answer
    x = 44,836.96

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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.