Home / 81,180.24-112,028.46-45,370.24

Finding the Fourth Proportional to 81,180.24, 112,028.46 and 45,370.24

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Solution

The fourth proportional to 81,180.24, 112,028.46 and 45,370.24 is: 62,610.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,180.24 : 112,028.46 = 45,370.24 : x
  2. Step 2: Convert to fraction form
    81,180.24/112,028.46 = 45,370.24/x
  3. Step 3: Cross multiply
    81,180.24x = 112,028.46 × 45,370.24
  4. Step 4: Simplify right side
    81,180.24x = 5,082,758,117.03
  5. Step 5: Solve for x
    x = 5,082,758,117.03/81,180.24
  6. Step 6: Final answer
    x = 62,610.78

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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.