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Finding the Fourth Proportional to 68,853, 95,002.50 and 40,548.36

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Solution

The fourth proportional to 68,853, 95,002.50 and 40,548.36 is: 55,948.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,853 : 95,002.50 = 40,548.36 : x
  2. Step 2: Convert to fraction form
    68,853/95,002.50 = 40,548.36/x
  3. Step 3: Cross multiply
    68,853x = 95,002.50 × 40,548.36
  4. Step 4: Simplify right side
    68,853x = 3,852,195,570.90
  5. Step 5: Solve for x
    x = 3,852,195,570.90/68,853
  6. Step 6: Final answer
    x = 55,948.12

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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.