Home / 79,499.53-119,175.16-26,872.21

Finding the Fourth Proportional to 79,499.53, 119,175.16 and 26,872.21

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Solution

The fourth proportional to 79,499.53, 119,175.16 and 26,872.21 is: 40,283.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,499.53 : 119,175.16 = 26,872.21 : x
  2. Step 2: Convert to fraction form
    79,499.53/119,175.16 = 26,872.21/x
  3. Step 3: Cross multiply
    79,499.53x = 119,175.16 × 26,872.21
  4. Step 4: Simplify right side
    79,499.53x = 3,202,499,926.30
  5. Step 5: Solve for x
    x = 3,202,499,926.30/79,499.53
  6. Step 6: Final answer
    x = 40,283.26

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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.