Home / 55,110.20-82,838.10-54,073.40

Finding the Fourth Proportional to 55,110.20, 82,838.10 and 54,073.40

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Solution

The fourth proportional to 55,110.20, 82,838.10 and 54,073.40 is: 81,279.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.20 : 82,838.10 = 54,073.40 : x
  2. Step 2: Convert to fraction form
    55,110.20/82,838.10 = 54,073.40/x
  3. Step 3: Cross multiply
    55,110.20x = 82,838.10 × 54,073.40
  4. Step 4: Simplify right side
    55,110.20x = 4,479,337,716.54
  5. Step 5: Solve for x
    x = 4,479,337,716.54/55,110.20
  6. Step 6: Final answer
    x = 81,279.65

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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.