Home / 80,849.14-111,571.88-45,039.24

Finding the Fourth Proportional to 80,849.14, 111,571.88 and 45,039.24

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Solution

The fourth proportional to 80,849.14, 111,571.88 and 45,039.24 is: 62,154.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,849.14 : 111,571.88 = 45,039.24 : x
  2. Step 2: Convert to fraction form
    80,849.14/111,571.88 = 45,039.24/x
  3. Step 3: Cross multiply
    80,849.14x = 111,571.88 × 45,039.24
  4. Step 4: Simplify right side
    80,849.14x = 5,025,112,455.38
  5. Step 5: Solve for x
    x = 5,025,112,455.38/80,849.14
  6. Step 6: Final answer
    x = 62,154.19

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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.