Home / 81,732.32-112,791.04-45,923.84

Finding the Fourth Proportional to 81,732.32, 112,791.04 and 45,923.84

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Solution

The fourth proportional to 81,732.32, 112,791.04 and 45,923.84 is: 63,375.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,732.32 : 112,791.04 = 45,923.84 : x
  2. Step 2: Convert to fraction form
    81,732.32/112,791.04 = 45,923.84/x
  3. Step 3: Cross multiply
    81,732.32x = 112,791.04 × 45,923.84
  4. Step 4: Simplify right side
    81,732.32x = 5,179,797,674.39
  5. Step 5: Solve for x
    x = 5,179,797,674.39/81,732.32
  6. Step 6: Final answer
    x = 63,375.15

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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.