Home / 84,831.60-117,067.83-47,105.85

Finding the Fourth Proportional to 84,831.60, 117,067.83 and 47,105.85

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Solution

The fourth proportional to 84,831.60, 117,067.83 and 47,105.85 is: 65,006.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,831.60 : 117,067.83 = 47,105.85 : x
  2. Step 2: Convert to fraction form
    84,831.60/117,067.83 = 47,105.85/x
  3. Step 3: Cross multiply
    84,831.60x = 117,067.83 × 47,105.85
  4. Step 4: Simplify right side
    84,831.60x = 5,514,580,167.13
  5. Step 5: Solve for x
    x = 5,514,580,167.13/84,831.60
  6. Step 6: Final answer
    x = 65,006.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.