Home / 54,343.55-81,538.78-29,401.15

Finding the Fourth Proportional to 54,343.55, 81,538.78 and 29,401.15

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Solution

The fourth proportional to 54,343.55, 81,538.78 and 29,401.15 is: 44,114.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,343.55 : 81,538.78 = 29,401.15 : x
  2. Step 2: Convert to fraction form
    54,343.55/81,538.78 = 29,401.15/x
  3. Step 3: Cross multiply
    54,343.55x = 81,538.78 × 29,401.15
  4. Step 4: Simplify right side
    54,343.55x = 2,397,334,164.95
  5. Step 5: Solve for x
    x = 2,397,334,164.95/54,343.55
  6. Step 6: Final answer
    x = 44,114.42

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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.