Home / 87,622.80-131,261.40-50,643.60

Finding the Fourth Proportional to 87,622.80, 131,261.40 and 50,643.60

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Solution

The fourth proportional to 87,622.80, 131,261.40 and 50,643.60 is: 75,865.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,622.80 : 131,261.40 = 50,643.60 : x
  2. Step 2: Convert to fraction form
    87,622.80/131,261.40 = 50,643.60/x
  3. Step 3: Cross multiply
    87,622.80x = 131,261.40 × 50,643.60
  4. Step 4: Simplify right side
    87,622.80x = 6,647,549,837.04
  5. Step 5: Solve for x
    x = 6,647,549,837.04/87,622.80
  6. Step 6: Final answer
    x = 75,865.53

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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.