Home / 81,171.20-112,006.55-44,867.74

Finding the Fourth Proportional to 81,171.20, 112,006.55 and 44,867.74

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Solution

The fourth proportional to 81,171.20, 112,006.55 and 44,867.74 is: 61,912.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,171.20 : 112,006.55 = 44,867.74 : x
  2. Step 2: Convert to fraction form
    81,171.20/112,006.55 = 44,867.74/x
  3. Step 3: Cross multiply
    81,171.20x = 112,006.55 × 44,867.74
  4. Step 4: Simplify right side
    81,171.20x = 5,025,481,293.54
  5. Step 5: Solve for x
    x = 5,025,481,293.54/81,171.20
  6. Step 6: Final answer
    x = 61,912.12

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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.