Home / 113,619.60-170,449.20-47,023.20

Finding the Fourth Proportional to 113,619.60, 170,449.20 and 47,023.20

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Solution

The fourth proportional to 113,619.60, 170,449.20 and 47,023.20 is: 70,542.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    113,619.60 : 170,449.20 = 47,023.20 : x
  2. Step 2: Convert to fraction form
    113,619.60/170,449.20 = 47,023.20/x
  3. Step 3: Cross multiply
    113,619.60x = 170,449.20 × 47,023.20
  4. Step 4: Simplify right side
    113,619.60x = 8,015,066,821.44
  5. Step 5: Solve for x
    x = 8,015,066,821.44/113,619.60
  6. Step 6: Final answer
    x = 70,542.99

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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.