Home / 60,670.20-91,005.30-50,172.60

Finding the Fourth Proportional to 60,670.20, 91,005.30 and 50,172.60

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Solution

The fourth proportional to 60,670.20, 91,005.30 and 50,172.60 is: 75,258.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,670.20 : 91,005.30 = 50,172.60 : x
  2. Step 2: Convert to fraction form
    60,670.20/91,005.30 = 50,172.60/x
  3. Step 3: Cross multiply
    60,670.20x = 91,005.30 × 50,172.60
  4. Step 4: Simplify right side
    60,670.20x = 4,565,972,514.78
  5. Step 5: Solve for x
    x = 4,565,972,514.78/60,670.20
  6. Step 6: Final answer
    x = 75,258.90

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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.