Home / 75,332.78-112,986.82-27,936.75

Finding the Fourth Proportional to 75,332.78, 112,986.82 and 27,936.75

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Solution

The fourth proportional to 75,332.78, 112,986.82 and 27,936.75 is: 41,900.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,332.78 : 112,986.82 = 27,936.75 : x
  2. Step 2: Convert to fraction form
    75,332.78/112,986.82 = 27,936.75/x
  3. Step 3: Cross multiply
    75,332.78x = 112,986.82 × 27,936.75
  4. Step 4: Simplify right side
    75,332.78x = 3,156,484,209.56
  5. Step 5: Solve for x
    x = 3,156,484,209.56/75,332.78
  6. Step 6: Final answer
    x = 41,900.54

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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.