Home / 84,237.42-116,198.91-54,429.42

Finding the Fourth Proportional to 84,237.42, 116,198.91 and 54,429.42

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Solution

The fourth proportional to 84,237.42, 116,198.91 and 54,429.42 is: 75,081.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,237.42 : 116,198.91 = 54,429.42 : x
  2. Step 2: Convert to fraction form
    84,237.42/116,198.91 = 54,429.42/x
  3. Step 3: Cross multiply
    84,237.42x = 116,198.91 × 54,429.42
  4. Step 4: Simplify right side
    84,237.42x = 6,324,639,275.93
  5. Step 5: Solve for x
    x = 6,324,639,275.93/84,237.42
  6. Step 6: Final answer
    x = 75,081.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.