Home / 40,758.31-61,134.49-11,173.81

Finding the Fourth Proportional to 40,758.31, 61,134.49 and 11,173.81

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Solution

The fourth proportional to 40,758.31, 61,134.49 and 11,173.81 is: 16,759.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,758.31 : 61,134.49 = 11,173.81 : x
  2. Step 2: Convert to fraction form
    40,758.31/61,134.49 = 11,173.81/x
  3. Step 3: Cross multiply
    40,758.31x = 61,134.49 × 11,173.81
  4. Step 4: Simplify right side
    40,758.31x = 683,105,175.71
  5. Step 5: Solve for x
    x = 683,105,175.71/40,758.31
  6. Step 6: Final answer
    x = 16,759.90

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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.