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Finding the Fourth Proportional to 96,696, 145,108.80 and 41,304.96

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Solution

The fourth proportional to 96,696, 145,108.80 and 41,304.96 is: 61,985.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    96,696 : 145,108.80 = 41,304.96 : x
  2. Step 2: Convert to fraction form
    96,696/145,108.80 = 41,304.96/x
  3. Step 3: Cross multiply
    96,696x = 145,108.80 × 41,304.96
  4. Step 4: Simplify right side
    96,696x = 5,993,713,179.65
  5. Step 5: Solve for x
    x = 5,993,713,179.65/96,696
  6. Step 6: Final answer
    x = 61,985.12

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.