Home / 92,207.12-127,247.46-54,481.28

Finding the Fourth Proportional to 92,207.12, 127,247.46 and 54,481.28

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Solution

The fourth proportional to 92,207.12, 127,247.46 and 54,481.28 is: 75,185.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,207.12 : 127,247.46 = 54,481.28 : x
  2. Step 2: Convert to fraction form
    92,207.12/127,247.46 = 54,481.28/x
  3. Step 3: Cross multiply
    92,207.12x = 127,247.46 × 54,481.28
  4. Step 4: Simplify right side
    92,207.12x = 6,932,604,497.55
  5. Step 5: Solve for x
    x = 6,932,604,497.55/92,207.12
  6. Step 6: Final answer
    x = 75,185.13

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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.