Home / 47,177.20-70,836.84-45,662.68

Finding the Fourth Proportional to 47,177.20, 70,836.84 and 45,662.68

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Solution

The fourth proportional to 47,177.20, 70,836.84 and 45,662.68 is: 68,562.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,177.20 : 70,836.84 = 45,662.68 : x
  2. Step 2: Convert to fraction form
    47,177.20/70,836.84 = 45,662.68/x
  3. Step 3: Cross multiply
    47,177.20x = 70,836.84 × 45,662.68
  4. Step 4: Simplify right side
    47,177.20x = 3,234,599,957.13
  5. Step 5: Solve for x
    x = 3,234,599,957.13/47,177.20
  6. Step 6: Final answer
    x = 68,562.78

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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.