Home / 71,449.20-98,556.12-47,250.18

Finding the Fourth Proportional to 71,449.20, 98,556.12 and 47,250.18

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Solution

The fourth proportional to 71,449.20, 98,556.12 and 47,250.18 is: 65,176.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,449.20 : 98,556.12 = 47,250.18 : x
  2. Step 2: Convert to fraction form
    71,449.20/98,556.12 = 47,250.18/x
  3. Step 3: Cross multiply
    71,449.20x = 98,556.12 × 47,250.18
  4. Step 4: Simplify right side
    71,449.20x = 4,656,794,410.10
  5. Step 5: Solve for x
    x = 4,656,794,410.10/71,449.20
  6. Step 6: Final answer
    x = 65,176.30

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1.5x scale

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.