Home / 98,546.12-147,819.10-31,986.24

Finding the Fourth Proportional to 98,546.12, 147,819.10 and 31,986.24

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Solution

The fourth proportional to 98,546.12, 147,819.10 and 31,986.24 is: 47,979.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    98,546.12 : 147,819.10 = 31,986.24 : x
  2. Step 2: Convert to fraction form
    98,546.12/147,819.10 = 31,986.24/x
  3. Step 3: Cross multiply
    98,546.12x = 147,819.10 × 31,986.24
  4. Step 4: Simplify right side
    98,546.12x = 4,728,177,209.18
  5. Step 5: Solve for x
    x = 4,728,177,209.18/98,546.12
  6. Step 6: Final answer
    x = 47,979.33

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Similar ratio
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1.5x scale

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.