Home / 66,195.20-99,150.22-31,082.24

Finding the Fourth Proportional to 66,195.20, 99,150.22 and 31,082.24

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Solution

The fourth proportional to 66,195.20, 99,150.22 and 31,082.24 is: 46,556.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,195.20 : 99,150.22 = 31,082.24 : x
  2. Step 2: Convert to fraction form
    66,195.20/99,150.22 = 31,082.24/x
  3. Step 3: Cross multiply
    66,195.20x = 99,150.22 × 31,082.24
  4. Step 4: Simplify right side
    66,195.20x = 3,081,810,934.09
  5. Step 5: Solve for x
    x = 3,081,810,934.09/66,195.20
  6. Step 6: Final answer
    x = 46,556.41

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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.