Home / 47,115.20-70,275.88-43,849.28

Finding the Fourth Proportional to 47,115.20, 70,275.88 and 43,849.28

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Solution

The fourth proportional to 47,115.20, 70,275.88 and 43,849.28 is: 65,404.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,115.20 : 70,275.88 = 43,849.28 : x
  2. Step 2: Convert to fraction form
    47,115.20/70,275.88 = 43,849.28/x
  3. Step 3: Cross multiply
    47,115.20x = 70,275.88 × 43,849.28
  4. Step 4: Simplify right side
    47,115.20x = 3,081,546,739.37
  5. Step 5: Solve for x
    x = 3,081,546,739.37/47,115.20
  6. Step 6: Final answer
    x = 65,404.51

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.