Home / 71,614.20-107,421.30-49,063.80

Finding the Fourth Proportional to 71,614.20, 107,421.30 and 49,063.80

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Solution

The fourth proportional to 71,614.20, 107,421.30 and 49,063.80 is: 73,595.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,614.20 : 107,421.30 = 49,063.80 : x
  2. Step 2: Convert to fraction form
    71,614.20/107,421.30 = 49,063.80/x
  3. Step 3: Cross multiply
    71,614.20x = 107,421.30 × 49,063.80
  4. Step 4: Simplify right side
    71,614.20x = 5,270,497,178.94
  5. Step 5: Solve for x
    x = 5,270,497,178.94/71,614.20
  6. Step 6: Final answer
    x = 73,595.70

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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.