Home / 83,534.88-115,227.12-49,520.62

Finding the Fourth Proportional to 83,534.88, 115,227.12 and 49,520.62

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Solution

The fourth proportional to 83,534.88, 115,227.12 and 49,520.62 is: 68,308.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,534.88 : 115,227.12 = 49,520.62 : x
  2. Step 2: Convert to fraction form
    83,534.88/115,227.12 = 49,520.62/x
  3. Step 3: Cross multiply
    83,534.88x = 115,227.12 × 49,520.62
  4. Step 4: Simplify right side
    83,534.88x = 5,706,118,423.21
  5. Step 5: Solve for x
    x = 5,706,118,423.21/83,534.88
  6. Step 6: Final answer
    x = 68,308.21

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1.5x scale

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.