Home / 80,850.14-111,573.26-45,040.24

Finding the Fourth Proportional to 80,850.14, 111,573.26 and 45,040.24

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Solution

The fourth proportional to 80,850.14, 111,573.26 and 45,040.24 is: 62,155.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,850.14 : 111,573.26 = 45,040.24 : x
  2. Step 2: Convert to fraction form
    80,850.14/111,573.26 = 45,040.24/x
  3. Step 3: Cross multiply
    80,850.14x = 111,573.26 × 45,040.24
  4. Step 4: Simplify right side
    80,850.14x = 5,025,286,407.98
  5. Step 5: Solve for x
    x = 5,025,286,407.98/80,850.14
  6. Step 6: Final answer
    x = 62,155.57

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.