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Finding the Fourth Proportional to 82,964.68, 114,493.62 and 45,241

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Solution

The fourth proportional to 82,964.68, 114,493.62 and 45,241 is: 62,433.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,964.68 : 114,493.62 = 45,241 : x
  2. Step 2: Convert to fraction form
    82,964.68/114,493.62 = 45,241/x
  3. Step 3: Cross multiply
    82,964.68x = 114,493.62 × 45,241
  4. Step 4: Simplify right side
    82,964.68x = 5,179,805,862.42
  5. Step 5: Solve for x
    x = 5,179,805,862.42/82,964.68
  6. Step 6: Final answer
    x = 62,433.87

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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.