Home / 83,863.38-125,790.98-31,268.76

Finding the Fourth Proportional to 83,863.38, 125,790.98 and 31,268.76

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Solution

The fourth proportional to 83,863.38, 125,790.98 and 31,268.76 is: 46,901.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,863.38 : 125,790.98 = 31,268.76 : x
  2. Step 2: Convert to fraction form
    83,863.38/125,790.98 = 31,268.76/x
  3. Step 3: Cross multiply
    83,863.38x = 125,790.98 × 31,268.76
  4. Step 4: Simplify right side
    83,863.38x = 3,933,327,807.44
  5. Step 5: Solve for x
    x = 3,933,327,807.44/83,863.38
  6. Step 6: Final answer
    x = 46,901.61

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1.5x scale

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.