Home / 60,422.20-90,649.62-43,002.60

Finding the Fourth Proportional to 60,422.20, 90,649.62 and 43,002.60

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Solution

The fourth proportional to 60,422.20, 90,649.62 and 43,002.60 is: 64,515.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,422.20 : 90,649.62 = 43,002.60 : x
  2. Step 2: Convert to fraction form
    60,422.20/90,649.62 = 43,002.60/x
  3. Step 3: Cross multiply
    60,422.20x = 90,649.62 × 43,002.60
  4. Step 4: Simplify right side
    60,422.20x = 3,898,169,349.01
  5. Step 5: Solve for x
    x = 3,898,169,349.01/60,422.20
  6. Step 6: Final answer
    x = 64,515.51

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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.