Home / 81,304.38-112,195.44-45,003.96

Finding the Fourth Proportional to 81,304.38, 112,195.44 and 45,003.96

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Solution

The fourth proportional to 81,304.38, 112,195.44 and 45,003.96 is: 62,102.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,304.38 : 112,195.44 = 45,003.96 : x
  2. Step 2: Convert to fraction form
    81,304.38/112,195.44 = 45,003.96/x
  3. Step 3: Cross multiply
    81,304.38x = 112,195.44 × 45,003.96
  4. Step 4: Simplify right side
    81,304.38x = 5,049,239,093.94
  5. Step 5: Solve for x
    x = 5,049,239,093.94/81,304.38
  6. Step 6: Final answer
    x = 62,102.92

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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.