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Finding the Fourth Proportional to 68,952.46, 95,165.46 and 64,449.96

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Solution

The fourth proportional to 68,952.46, 95,165.46 and 64,449.96 is: 88,951.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,952.46 : 95,165.46 = 64,449.96 : x
  2. Step 2: Convert to fraction form
    68,952.46/95,165.46 = 64,449.96/x
  3. Step 3: Cross multiply
    68,952.46x = 95,165.46 × 64,449.96
  4. Step 4: Simplify right side
    68,952.46x = 6,133,409,768.13
  5. Step 5: Solve for x
    x = 6,133,409,768.13/68,952.46
  6. Step 6: Final answer
    x = 88,951.29

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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.