Home / 83,382.81-115,060.97-49,385.28

Finding the Fourth Proportional to 83,382.81, 115,060.97 and 49,385.28

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Solution

The fourth proportional to 83,382.81, 115,060.97 and 49,385.28 is: 68,147.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,382.81 : 115,060.97 = 49,385.28 : x
  2. Step 2: Convert to fraction form
    83,382.81/115,060.97 = 49,385.28/x
  3. Step 3: Cross multiply
    83,382.81x = 115,060.97 × 49,385.28
  4. Step 4: Simplify right side
    83,382.81x = 5,682,318,220.52
  5. Step 5: Solve for x
    x = 5,682,318,220.52/83,382.81
  6. Step 6: Final answer
    x = 68,147.36

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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.