Home / 80,686.20-121,029.30-62,002.20

Finding the Fourth Proportional to 80,686.20, 121,029.30 and 62,002.20

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Solution

The fourth proportional to 80,686.20, 121,029.30 and 62,002.20 is: 93,003.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,686.20 : 121,029.30 = 62,002.20 : x
  2. Step 2: Convert to fraction form
    80,686.20/121,029.30 = 62,002.20/x
  3. Step 3: Cross multiply
    80,686.20x = 121,029.30 × 62,002.20
  4. Step 4: Simplify right side
    80,686.20x = 7,504,082,864.46
  5. Step 5: Solve for x
    x = 7,504,082,864.46/80,686.20
  6. Step 6: Final answer
    x = 93,003.30

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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.