Home / 80,119.36-110,442-59,945.68

Finding the Fourth Proportional to 80,119.36, 110,442 and 59,945.68

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Solution

The fourth proportional to 80,119.36, 110,442 and 59,945.68 is: 82,633.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,119.36 : 110,442 = 59,945.68 : x
  2. Step 2: Convert to fraction form
    80,119.36/110,442 = 59,945.68/x
  3. Step 3: Cross multiply
    80,119.36x = 110,442 × 59,945.68
  4. Step 4: Simplify right side
    80,119.36x = 6,620,520,790.56
  5. Step 5: Solve for x
    x = 6,620,520,790.56/80,119.36
  6. Step 6: Final answer
    x = 82,633.22

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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.