Home / 54,311.43-81,472.77-14,868.54

Finding the Fourth Proportional to 54,311.43, 81,472.77 and 14,868.54

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Solution

The fourth proportional to 54,311.43, 81,472.77 and 14,868.54 is: 22,304.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,311.43 : 81,472.77 = 14,868.54 : x
  2. Step 2: Convert to fraction form
    54,311.43/81,472.77 = 14,868.54/x
  3. Step 3: Cross multiply
    54,311.43x = 81,472.77 × 14,868.54
  4. Step 4: Simplify right side
    54,311.43x = 1,211,381,139.66
  5. Step 5: Solve for x
    x = 1,211,381,139.66/54,311.43
  6. Step 6: Final answer
    x = 22,304.35

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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.