Home / 66,553.25-99,780.66-40,252.16

Finding the Fourth Proportional to 66,553.25, 99,780.66 and 40,252.16

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Solution

The fourth proportional to 66,553.25, 99,780.66 and 40,252.16 is: 60,348.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,553.25 : 99,780.66 = 40,252.16 : x
  2. Step 2: Convert to fraction form
    66,553.25/99,780.66 = 40,252.16/x
  3. Step 3: Cross multiply
    66,553.25x = 99,780.66 × 40,252.16
  4. Step 4: Simplify right side
    66,553.25x = 4,016,387,091.23
  5. Step 5: Solve for x
    x = 4,016,387,091.23/66,553.25
  6. Step 6: Final answer
    x = 60,348.47

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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.