Home / 82,286.65-113,600.77-51,691.66

Finding the Fourth Proportional to 82,286.65, 113,600.77 and 51,691.66

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Solution

The fourth proportional to 82,286.65, 113,600.77 and 51,691.66 is: 71,362.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,286.65 : 113,600.77 = 51,691.66 : x
  2. Step 2: Convert to fraction form
    82,286.65/113,600.77 = 51,691.66/x
  3. Step 3: Cross multiply
    82,286.65x = 113,600.77 × 51,691.66
  4. Step 4: Simplify right side
    82,286.65x = 5,872,211,552.12
  5. Step 5: Solve for x
    x = 5,872,211,552.12/82,286.65
  6. Step 6: Final answer
    x = 71,362.87

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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.