Home / 90,747.18-136,127.25-24,186.96

Finding the Fourth Proportional to 90,747.18, 136,127.25 and 24,186.96

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Solution

The fourth proportional to 90,747.18, 136,127.25 and 24,186.96 is: 36,282.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,747.18 : 136,127.25 = 24,186.96 : x
  2. Step 2: Convert to fraction form
    90,747.18/136,127.25 = 24,186.96/x
  3. Step 3: Cross multiply
    90,747.18x = 136,127.25 × 24,186.96
  4. Step 4: Simplify right side
    90,747.18x = 3,292,504,350.66
  5. Step 5: Solve for x
    x = 3,292,504,350.66/90,747.18
  6. Step 6: Final answer
    x = 36,282.17

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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.