Home / 47,191.62-70,766.25-13,900.02

Finding the Fourth Proportional to 47,191.62, 70,766.25 and 13,900.02

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Solution

The fourth proportional to 47,191.62, 70,766.25 and 13,900.02 is: 20,843.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,191.62 : 70,766.25 = 13,900.02 : x
  2. Step 2: Convert to fraction form
    47,191.62/70,766.25 = 13,900.02/x
  3. Step 3: Cross multiply
    47,191.62x = 70,766.25 × 13,900.02
  4. Step 4: Simplify right side
    47,191.62x = 983,652,290.33
  5. Step 5: Solve for x
    x = 983,652,290.33/47,191.62
  6. Step 6: Final answer
    x = 20,843.79

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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.