Home / 77,479.62-116,121.96-41,939.52

Finding the Fourth Proportional to 77,479.62, 116,121.96 and 41,939.52

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Solution

The fourth proportional to 77,479.62, 116,121.96 and 41,939.52 is: 62,856.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,479.62 : 116,121.96 = 41,939.52 : x
  2. Step 2: Convert to fraction form
    77,479.62/116,121.96 = 41,939.52/x
  3. Step 3: Cross multiply
    77,479.62x = 116,121.96 × 41,939.52
  4. Step 4: Simplify right side
    77,479.62x = 4,870,099,263.86
  5. Step 5: Solve for x
    x = 4,870,099,263.86/77,479.62
  6. Step 6: Final answer
    x = 62,856.52

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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.