Home / 80,023.10-120,109.96-40,608.50

Finding the Fourth Proportional to 80,023.10, 120,109.96 and 40,608.50

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Solution

The fourth proportional to 80,023.10, 120,109.96 and 40,608.50 is: 60,950.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,023.10 : 120,109.96 = 40,608.50 : x
  2. Step 2: Convert to fraction form
    80,023.10/120,109.96 = 40,608.50/x
  3. Step 3: Cross multiply
    80,023.10x = 120,109.96 × 40,608.50
  4. Step 4: Simplify right side
    80,023.10x = 4,877,485,310.66
  5. Step 5: Solve for x
    x = 4,877,485,310.66/80,023.10
  6. Step 6: Final answer
    x = 60,950.97

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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.