Home / 84,550.32-126,844.92-25,387.11

Finding the Fourth Proportional to 84,550.32, 126,844.92 and 25,387.11

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Solution

The fourth proportional to 84,550.32, 126,844.92 and 25,387.11 is: 38,086.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,550.32 : 126,844.92 = 25,387.11 : x
  2. Step 2: Convert to fraction form
    84,550.32/126,844.92 = 25,387.11/x
  3. Step 3: Cross multiply
    84,550.32x = 126,844.92 × 25,387.11
  4. Step 4: Simplify right side
    84,550.32x = 3,220,225,936.98
  5. Step 5: Solve for x
    x = 3,220,225,936.98/84,550.32
  6. Step 6: Final answer
    x = 38,086.50

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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.