Home / 77,932.13-116,869.46-27,998.82

Finding the Fourth Proportional to 77,932.13, 116,869.46 and 27,998.82

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Solution

The fourth proportional to 77,932.13, 116,869.46 and 27,998.82 is: 41,987.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,932.13 : 116,869.46 = 27,998.82 : x
  2. Step 2: Convert to fraction form
    77,932.13/116,869.46 = 27,998.82/x
  3. Step 3: Cross multiply
    77,932.13x = 116,869.46 × 27,998.82
  4. Step 4: Simplify right side
    77,932.13x = 3,272,206,834.04
  5. Step 5: Solve for x
    x = 3,272,206,834.04/77,932.13
  6. Step 6: Final answer
    x = 41,987.91

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1.5x scale

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.