Home / 75,716.78-113,449.61-46,044.86

Finding the Fourth Proportional to 75,716.78, 113,449.61 and 46,044.86

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Solution

The fourth proportional to 75,716.78, 113,449.61 and 46,044.86 is: 68,990.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,716.78 : 113,449.61 = 46,044.86 : x
  2. Step 2: Convert to fraction form
    75,716.78/113,449.61 = 46,044.86/x
  3. Step 3: Cross multiply
    75,716.78x = 113,449.61 × 46,044.86
  4. Step 4: Simplify right side
    75,716.78x = 5,223,770,612.03
  5. Step 5: Solve for x
    x = 5,223,770,612.03/75,716.78
  6. Step 6: Final answer
    x = 68,990.93

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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.