Home / 77,934.66-116,836.38-31,162.02

Finding the Fourth Proportional to 77,934.66, 116,836.38 and 31,162.02

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Solution

The fourth proportional to 77,934.66, 116,836.38 and 31,162.02 is: 46,716.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,934.66 : 116,836.38 = 31,162.02 : x
  2. Step 2: Convert to fraction form
    77,934.66/116,836.38 = 31,162.02/x
  3. Step 3: Cross multiply
    77,934.66x = 116,836.38 × 31,162.02
  4. Step 4: Simplify right side
    77,934.66x = 3,640,857,610.29
  5. Step 5: Solve for x
    x = 3,640,857,610.29/77,934.66
  6. Step 6: Final answer
    x = 46,716.80

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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.