Home / 80,542.57-120,797.43-30,605.14

Finding the Fourth Proportional to 80,542.57, 120,797.43 and 30,605.14

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Solution

The fourth proportional to 80,542.57, 120,797.43 and 30,605.14 is: 45,901.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,542.57 : 120,797.43 = 30,605.14 : x
  2. Step 2: Convert to fraction form
    80,542.57/120,797.43 = 30,605.14/x
  3. Step 3: Cross multiply
    80,542.57x = 120,797.43 × 30,605.14
  4. Step 4: Simplify right side
    80,542.57x = 3,697,022,256.79
  5. Step 5: Solve for x
    x = 3,697,022,256.79/80,542.57
  6. Step 6: Final answer
    x = 45,901.47

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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.