Home / 47,849.73-71,905.80-45,132.36

Finding the Fourth Proportional to 47,849.73, 71,905.80 and 45,132.36

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Solution

The fourth proportional to 47,849.73, 71,905.80 and 45,132.36 is: 67,822.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,849.73 : 71,905.80 = 45,132.36 : x
  2. Step 2: Convert to fraction form
    47,849.73/71,905.80 = 45,132.36/x
  3. Step 3: Cross multiply
    47,849.73x = 71,905.80 × 45,132.36
  4. Step 4: Simplify right side
    47,849.73x = 3,245,278,451.69
  5. Step 5: Solve for x
    x = 3,245,278,451.69/47,849.73
  6. Step 6: Final answer
    x = 67,822.29

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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.