Home / 80,043.07-120,082.43-23,884.15

Finding the Fourth Proportional to 80,043.07, 120,082.43 and 23,884.15

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Solution

The fourth proportional to 80,043.07, 120,082.43 and 23,884.15 is: 35,831.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,043.07 : 120,082.43 = 23,884.15 : x
  2. Step 2: Convert to fraction form
    80,043.07/120,082.43 = 23,884.15/x
  3. Step 3: Cross multiply
    80,043.07x = 120,082.43 × 23,884.15
  4. Step 4: Simplify right side
    80,043.07x = 2,868,066,770.48
  5. Step 5: Solve for x
    x = 2,868,066,770.48/80,043.07
  6. Step 6: Final answer
    x = 35,831.54

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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.