Home / 54,366.87-81,557.91-16,929.66

Finding the Fourth Proportional to 54,366.87, 81,557.91 and 16,929.66

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Solution

The fourth proportional to 54,366.87, 81,557.91 and 16,929.66 is: 25,396.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,366.87 : 81,557.91 = 16,929.66 : x
  2. Step 2: Convert to fraction form
    54,366.87/81,557.91 = 16,929.66/x
  3. Step 3: Cross multiply
    54,366.87x = 81,557.91 × 16,929.66
  4. Step 4: Simplify right side
    54,366.87x = 1,380,747,686.61
  5. Step 5: Solve for x
    x = 1,380,747,686.61/54,366.87
  6. Step 6: Final answer
    x = 25,396.86

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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.