Home / 60,002.20-90,003.30-57,442.60

Finding the Fourth Proportional to 60,002.20, 90,003.30 and 57,442.60

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Solution

The fourth proportional to 60,002.20, 90,003.30 and 57,442.60 is: 86,163.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,002.20 : 90,003.30 = 57,442.60 : x
  2. Step 2: Convert to fraction form
    60,002.20/90,003.30 = 57,442.60/x
  3. Step 3: Cross multiply
    60,002.20x = 90,003.30 × 57,442.60
  4. Step 4: Simplify right side
    60,002.20x = 5,170,023,560.58
  5. Step 5: Solve for x
    x = 5,170,023,560.58/60,002.20
  6. Step 6: Final answer
    x = 86,163.90

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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.