Home / 77,519.52-116,076.27-50,781.39

Finding the Fourth Proportional to 77,519.52, 116,076.27 and 50,781.39

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Solution

The fourth proportional to 77,519.52, 116,076.27 and 50,781.39 is: 76,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,519.52 : 116,076.27 = 50,781.39 : x
  2. Step 2: Convert to fraction form
    77,519.52/116,076.27 = 50,781.39/x
  3. Step 3: Cross multiply
    77,519.52x = 116,076.27 × 50,781.39
  4. Step 4: Simplify right side
    77,519.52x = 5,894,514,336.62
  5. Step 5: Solve for x
    x = 5,894,514,336.62/77,519.52
  6. Step 6: Final answer
    x = 76,039.10

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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.