Home / 80,822.24-121,243.42-27,510.13

Finding the Fourth Proportional to 80,822.24, 121,243.42 and 27,510.13

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Solution

The fourth proportional to 80,822.24, 121,243.42 and 27,510.13 is: 41,268.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,822.24 : 121,243.42 = 27,510.13 : x
  2. Step 2: Convert to fraction form
    80,822.24/121,243.42 = 27,510.13/x
  3. Step 3: Cross multiply
    80,822.24x = 121,243.42 × 27,510.13
  4. Step 4: Simplify right side
    80,822.24x = 3,335,422,245.84
  5. Step 5: Solve for x
    x = 3,335,422,245.84/80,822.24
  6. Step 6: Final answer
    x = 41,268.62

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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.