Home / 83,882.43-125,784.76-31,277.79

Finding the Fourth Proportional to 83,882.43, 125,784.76 and 31,277.79

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Solution

The fourth proportional to 83,882.43, 125,784.76 and 31,277.79 is: 46,902.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,882.43 : 125,784.76 = 31,277.79 : x
  2. Step 2: Convert to fraction form
    83,882.43/125,784.76 = 31,277.79/x
  3. Step 3: Cross multiply
    83,882.43x = 125,784.76 × 31,277.79
  4. Step 4: Simplify right side
    83,882.43x = 3,934,269,308.48
  5. Step 5: Solve for x
    x = 3,934,269,308.48/83,882.43
  6. Step 6: Final answer
    x = 46,902.19

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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.