Home / 47,251.56-70,891.18-13,972.49

Finding the Fourth Proportional to 47,251.56, 70,891.18 and 13,972.49

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Solution

The fourth proportional to 47,251.56, 70,891.18 and 13,972.49 is: 20,962.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251.56 : 70,891.18 = 13,972.49 : x
  2. Step 2: Convert to fraction form
    47,251.56/70,891.18 = 13,972.49/x
  3. Step 3: Cross multiply
    47,251.56x = 70,891.18 × 13,972.49
  4. Step 4: Simplify right side
    47,251.56x = 990,526,303.64
  5. Step 5: Solve for x
    x = 990,526,303.64/47,251.56
  6. Step 6: Final answer
    x = 20,962.83

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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.