Home / 111,257.28-166,835.25-48,047.31

Finding the Fourth Proportional to 111,257.28, 166,835.25 and 48,047.31

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Solution

The fourth proportional to 111,257.28, 166,835.25 and 48,047.31 is: 72,049.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,257.28 : 166,835.25 = 48,047.31 : x
  2. Step 2: Convert to fraction form
    111,257.28/166,835.25 = 48,047.31/x
  3. Step 3: Cross multiply
    111,257.28x = 166,835.25 × 48,047.31
  4. Step 4: Simplify right side
    111,257.28x = 8,015,984,975.68
  5. Step 5: Solve for x
    x = 8,015,984,975.68/111,257.28
  6. Step 6: Final answer
    x = 72,049.08

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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.