Home / 81,373.44-112,293.76-45,073.92

Finding the Fourth Proportional to 81,373.44, 112,293.76 and 45,073.92

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Solution

The fourth proportional to 81,373.44, 112,293.76 and 45,073.92 is: 62,201.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,373.44 : 112,293.76 = 45,073.92 : x
  2. Step 2: Convert to fraction form
    81,373.44/112,293.76 = 45,073.92/x
  3. Step 3: Cross multiply
    81,373.44x = 112,293.76 × 45,073.92
  4. Step 4: Simplify right side
    81,373.44x = 5,061,519,954.74
  5. Step 5: Solve for x
    x = 5,061,519,954.74/81,373.44
  6. Step 6: Final answer
    x = 62,201.13

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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.