Home / 80,370.38-120,580.56-32,989.34

Finding the Fourth Proportional to 80,370.38, 120,580.56 and 32,989.34

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Solution

The fourth proportional to 80,370.38, 120,580.56 and 32,989.34 is: 49,494.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,370.38 : 120,580.56 = 32,989.34 : x
  2. Step 2: Convert to fraction form
    80,370.38/120,580.56 = 32,989.34/x
  3. Step 3: Cross multiply
    80,370.38x = 120,580.56 × 32,989.34
  4. Step 4: Simplify right side
    80,370.38x = 3,977,872,488.33
  5. Step 5: Solve for x
    x = 3,977,872,488.33/80,370.38
  6. Step 6: Final answer
    x = 49,494.26

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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.