Home / 54,312.57-81,468.78-14,872.76

Finding the Fourth Proportional to 54,312.57, 81,468.78 and 14,872.76

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Solution

The fourth proportional to 54,312.57, 81,468.78 and 14,872.76 is: 22,309.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.57 : 81,468.78 = 14,872.76 : x
  2. Step 2: Convert to fraction form
    54,312.57/81,468.78 = 14,872.76/x
  3. Step 3: Cross multiply
    54,312.57x = 81,468.78 × 14,872.76
  4. Step 4: Simplify right side
    54,312.57x = 1,211,665,612.43
  5. Step 5: Solve for x
    x = 1,211,665,612.43/54,312.57
  6. Step 6: Final answer
    x = 22,309.12

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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.