Home / 80,793.23-121,195.91-21,627.59

Finding the Fourth Proportional to 80,793.23, 121,195.91 and 21,627.59

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Solution

The fourth proportional to 80,793.23, 121,195.91 and 21,627.59 is: 32,443.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,793.23 : 121,195.91 = 21,627.59 : x
  2. Step 2: Convert to fraction form
    80,793.23/121,195.91 = 21,627.59/x
  3. Step 3: Cross multiply
    80,793.23x = 121,195.91 × 21,627.59
  4. Step 4: Simplify right side
    80,793.23x = 2,621,174,899.25
  5. Step 5: Solve for x
    x = 2,621,174,899.25/80,793.23
  6. Step 6: Final answer
    x = 32,443.00

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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.