Home / 80,771.00-121,147.27-21,611.23

Finding the Fourth Proportional to 80,771.00, 121,147.27 and 21,611.23

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Solution

The fourth proportional to 80,771.00, 121,147.27 and 21,611.23 is: 32,414.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,771.00 : 121,147.27 = 21,611.23 : x
  2. Step 2: Convert to fraction form
    80,771.00/121,147.27 = 21,611.23/x
  3. Step 3: Cross multiply
    80,771.00x = 121,147.27 × 21,611.23
  4. Step 4: Simplify right side
    80,771.00x = 2,618,141,158.95
  5. Step 5: Solve for x
    x = 2,618,141,158.95/80,771.00
  6. Step 6: Final answer
    x = 32,414.37

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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.