Home / 71,770.24-107,711.79-49,738.51

Finding the Fourth Proportional to 71,770.24, 107,711.79 and 49,738.51

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Solution

The fourth proportional to 71,770.24, 107,711.79 and 49,738.51 is: 74,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,770.24 : 107,711.79 = 49,738.51 : x
  2. Step 2: Convert to fraction form
    71,770.24/107,711.79 = 49,738.51/x
  3. Step 3: Cross multiply
    71,770.24x = 107,711.79 × 49,738.51
  4. Step 4: Simplify right side
    71,770.24x = 5,357,423,944.03
  5. Step 5: Solve for x
    x = 5,357,423,944.03/71,770.24
  6. Step 6: Final answer
    x = 74,646.87

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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.