Home / 77,742.92-116,631.39-25,151.65

Finding the Fourth Proportional to 77,742.92, 116,631.39 and 25,151.65

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Solution

The fourth proportional to 77,742.92, 116,631.39 and 25,151.65 is: 37,732.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,742.92 : 116,631.39 = 25,151.65 : x
  2. Step 2: Convert to fraction form
    77,742.92/116,631.39 = 25,151.65/x
  3. Step 3: Cross multiply
    77,742.92x = 116,631.39 × 25,151.65
  4. Step 4: Simplify right side
    77,742.92x = 2,933,471,900.29
  5. Step 5: Solve for x
    x = 2,933,471,900.29/77,742.92
  6. Step 6: Final answer
    x = 37,732.98

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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.