Home / 54,375.88-81,550.32-14,931.04

Finding the Fourth Proportional to 54,375.88, 81,550.32 and 14,931.04

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Solution

The fourth proportional to 54,375.88, 81,550.32 and 14,931.04 is: 22,392.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,375.88 : 81,550.32 = 14,931.04 : x
  2. Step 2: Convert to fraction form
    54,375.88/81,550.32 = 14,931.04/x
  3. Step 3: Cross multiply
    54,375.88x = 81,550.32 × 14,931.04
  4. Step 4: Simplify right side
    54,375.88x = 1,217,631,089.93
  5. Step 5: Solve for x
    x = 1,217,631,089.93/54,375.88
  6. Step 6: Final answer
    x = 22,392.85

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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.