Home / 77,713.20-116,590.30-32,738.56

Finding the Fourth Proportional to 77,713.20, 116,590.30 and 32,738.56

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Solution

The fourth proportional to 77,713.20, 116,590.30 and 32,738.56 is: 49,116.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,713.20 : 116,590.30 = 32,738.56 : x
  2. Step 2: Convert to fraction form
    77,713.20/116,590.30 = 32,738.56/x
  3. Step 3: Cross multiply
    77,713.20x = 116,590.30 × 32,738.56
  4. Step 4: Simplify right side
    77,713.20x = 3,816,998,158.65
  5. Step 5: Solve for x
    x = 3,816,998,158.65/77,713.20
  6. Step 6: Final answer
    x = 49,116.47

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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.