Home / 84,429.66-126,553.37-54,868.71

Finding the Fourth Proportional to 84,429.66, 126,553.37 and 54,868.71

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Solution

The fourth proportional to 84,429.66, 126,553.37 and 54,868.71 is: 82,243.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,429.66 : 126,553.37 = 54,868.71 : x
  2. Step 2: Convert to fraction form
    84,429.66/126,553.37 = 54,868.71/x
  3. Step 3: Cross multiply
    84,429.66x = 126,553.37 × 54,868.71
  4. Step 4: Simplify right side
    84,429.66x = 6,943,819,883.71
  5. Step 5: Solve for x
    x = 6,943,819,883.71/84,429.66
  6. Step 6: Final answer
    x = 82,243.85

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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.