Home / 80,260.78-120,399.13-29,673.06

Finding the Fourth Proportional to 80,260.78, 120,399.13 and 29,673.06

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Solution

The fourth proportional to 80,260.78, 120,399.13 and 29,673.06 is: 44,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,260.78 : 120,399.13 = 29,673.06 : x
  2. Step 2: Convert to fraction form
    80,260.78/120,399.13 = 29,673.06/x
  3. Step 3: Cross multiply
    80,260.78x = 120,399.13 × 29,673.06
  4. Step 4: Simplify right side
    80,260.78x = 3,572,610,608.44
  5. Step 5: Solve for x
    x = 3,572,610,608.44/80,260.78
  6. Step 6: Final answer
    x = 44,512.53

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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.