Home / 54,130.46-81,188.28-16,179.20

Finding the Fourth Proportional to 54,130.46, 81,188.28 and 16,179.20

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Solution

The fourth proportional to 54,130.46, 81,188.28 and 16,179.20 is: 24,266.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,130.46 : 81,188.28 = 16,179.20 : x
  2. Step 2: Convert to fraction form
    54,130.46/81,188.28 = 16,179.20/x
  3. Step 3: Cross multiply
    54,130.46x = 81,188.28 × 16,179.20
  4. Step 4: Simplify right side
    54,130.46x = 1,313,561,419.78
  5. Step 5: Solve for x
    x = 1,313,561,419.78/54,130.46
  6. Step 6: Final answer
    x = 24,266.59

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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.