Home / 47,251.05-70,876.57-12,187.97

Finding the Fourth Proportional to 47,251.05, 70,876.57 and 12,187.97

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Solution

The fourth proportional to 47,251.05, 70,876.57 and 12,187.97 is: 18,281.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,251.05 : 70,876.57 = 12,187.97 : x
  2. Step 2: Convert to fraction form
    47,251.05/70,876.57 = 12,187.97/x
  3. Step 3: Cross multiply
    47,251.05x = 70,876.57 × 12,187.97
  4. Step 4: Simplify right side
    47,251.05x = 863,841,412.65
  5. Step 5: Solve for x
    x = 863,841,412.65/47,251.05
  6. Step 6: Final answer
    x = 18,281.95

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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.