Home / 98,236.44-147,375.72-31,680.36

Finding the Fourth Proportional to 98,236.44, 147,375.72 and 31,680.36

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Solution

The fourth proportional to 98,236.44, 147,375.72 and 31,680.36 is: 47,527.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,236.44 : 147,375.72 = 31,680.36 : x
  2. Step 2: Convert to fraction form
    98,236.44/147,375.72 = 31,680.36/x
  3. Step 3: Cross multiply
    98,236.44x = 147,375.72 × 31,680.36
  4. Step 4: Simplify right side
    98,236.44x = 4,668,915,864.86
  5. Step 5: Solve for x
    x = 4,668,915,864.86/98,236.44
  6. Step 6: Final answer
    x = 47,527.33

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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.