Home / 47,121.76-70,691.31-15,533.71

Finding the Fourth Proportional to 47,121.76, 70,691.31 and 15,533.71

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Solution

The fourth proportional to 47,121.76, 70,691.31 and 15,533.71 is: 23,303.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,121.76 : 70,691.31 = 15,533.71 : x
  2. Step 2: Convert to fraction form
    47,121.76/70,691.31 = 15,533.71/x
  3. Step 3: Cross multiply
    47,121.76x = 70,691.31 × 15,533.71
  4. Step 4: Simplify right side
    47,121.76x = 1,098,098,309.06
  5. Step 5: Solve for x
    x = 1,098,098,309.06/47,121.76
  6. Step 6: Final answer
    x = 23,303.42

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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.