Home / 80,760.36-111,418.34-59,590.12

Finding the Fourth Proportional to 80,760.36, 111,418.34 and 59,590.12

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Solution

The fourth proportional to 80,760.36, 111,418.34 and 59,590.12 is: 82,211.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,760.36 : 111,418.34 = 59,590.12 : x
  2. Step 2: Convert to fraction form
    80,760.36/111,418.34 = 59,590.12/x
  3. Step 3: Cross multiply
    80,760.36x = 111,418.34 × 59,590.12
  4. Step 4: Simplify right side
    80,760.36x = 6,639,432,250.80
  5. Step 5: Solve for x
    x = 6,639,432,250.80/80,760.36
  6. Step 6: Final answer
    x = 82,211.52

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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.