Home / 83,668.28-115,462.62-45,942.50

Finding the Fourth Proportional to 83,668.28, 115,462.62 and 45,942.50

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Solution

The fourth proportional to 83,668.28, 115,462.62 and 45,942.50 is: 63,400.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,668.28 : 115,462.62 = 45,942.50 : x
  2. Step 2: Convert to fraction form
    83,668.28/115,462.62 = 45,942.50/x
  3. Step 3: Cross multiply
    83,668.28x = 115,462.62 × 45,942.50
  4. Step 4: Simplify right side
    83,668.28x = 5,304,641,419.35
  5. Step 5: Solve for x
    x = 5,304,641,419.35/83,668.28
  6. Step 6: Final answer
    x = 63,400.87

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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.