Home / 40,758.06-61,134.12-11,173.56

Finding the Fourth Proportional to 40,758.06, 61,134.12 and 11,173.56

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Solution

The fourth proportional to 40,758.06, 61,134.12 and 11,173.56 is: 16,759.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.06 : 61,134.12 = 11,173.56 : x
  2. Step 2: Convert to fraction form
    40,758.06/61,134.12 = 11,173.56/x
  3. Step 3: Cross multiply
    40,758.06x = 61,134.12 × 11,173.56
  4. Step 4: Simplify right side
    40,758.06x = 683,085,757.87
  5. Step 5: Solve for x
    x = 683,085,757.87/40,758.06
  6. Step 6: Final answer
    x = 16,759.53

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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.