Home / 81,204.24-112,062-45,394.22

Finding the Fourth Proportional to 81,204.24, 112,062 and 45,394.22

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Solution

The fourth proportional to 81,204.24, 112,062 and 45,394.22 is: 62,644.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,204.24 : 112,062 = 45,394.22 : x
  2. Step 2: Convert to fraction form
    81,204.24/112,062 = 45,394.22/x
  3. Step 3: Cross multiply
    81,204.24x = 112,062 × 45,394.22
  4. Step 4: Simplify right side
    81,204.24x = 5,086,967,081.64
  5. Step 5: Solve for x
    x = 5,086,967,081.64/81,204.24
  6. Step 6: Final answer
    x = 62,644.11

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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.