Home / 81,180.88-112,034.04-45,370.96

Finding the Fourth Proportional to 81,180.88, 112,034.04 and 45,370.96

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Solution

The fourth proportional to 81,180.88, 112,034.04 and 45,370.96 is: 62,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.88 : 112,034.04 = 45,370.96 : x
  2. Step 2: Convert to fraction form
    81,180.88/112,034.04 = 45,370.96/x
  3. Step 3: Cross multiply
    81,180.88x = 112,034.04 × 45,370.96
  4. Step 4: Simplify right side
    81,180.88x = 5,083,091,947.48
  5. Step 5: Solve for x
    x = 5,083,091,947.48/81,180.88
  6. Step 6: Final answer
    x = 62,614.40

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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.