Home / 83,620.77-125,429.92-57,951.46

Finding the Fourth Proportional to 83,620.77, 125,429.92 and 57,951.46

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Solution

The fourth proportional to 83,620.77, 125,429.92 and 57,951.46 is: 86,926.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,620.77 : 125,429.92 = 57,951.46 : x
  2. Step 2: Convert to fraction form
    83,620.77/125,429.92 = 57,951.46/x
  3. Step 3: Cross multiply
    83,620.77x = 125,429.92 × 57,951.46
  4. Step 4: Simplify right side
    83,620.77x = 7,268,847,003.59
  5. Step 5: Solve for x
    x = 7,268,847,003.59/83,620.77
  6. Step 6: Final answer
    x = 86,926.34

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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.