Home / 47,225.20-70,943.40-39,449.20

Finding the Fourth Proportional to 47,225.20, 70,943.40 and 39,449.20

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Solution

The fourth proportional to 47,225.20, 70,943.40 and 39,449.20 is: 59,262.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,225.20 : 70,943.40 = 39,449.20 : x
  2. Step 2: Convert to fraction form
    47,225.20/70,943.40 = 39,449.20/x
  3. Step 3: Cross multiply
    47,225.20x = 70,943.40 × 39,449.20
  4. Step 4: Simplify right side
    47,225.20x = 2,798,660,375.28
  5. Step 5: Solve for x
    x = 2,798,660,375.28/47,225.20
  6. Step 6: Final answer
    x = 59,262.01

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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.