Home / 80,941.33-121,183.04-42,903.93

Finding the Fourth Proportional to 80,941.33, 121,183.04 and 42,903.93

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Solution

The fourth proportional to 80,941.33, 121,183.04 and 42,903.93 is: 64,234.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,941.33 : 121,183.04 = 42,903.93 : x
  2. Step 2: Convert to fraction form
    80,941.33/121,183.04 = 42,903.93/x
  3. Step 3: Cross multiply
    80,941.33x = 121,183.04 × 42,903.93
  4. Step 4: Simplify right side
    80,941.33x = 5,199,228,304.05
  5. Step 5: Solve for x
    x = 5,199,228,304.05/80,941.33
  6. Step 6: Final answer
    x = 64,234.53

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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.