Home / 75,882.29-113,828.94-29,135.16

Finding the Fourth Proportional to 75,882.29, 113,828.94 and 29,135.16

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Solution

The fourth proportional to 75,882.29, 113,828.94 and 29,135.16 is: 43,704.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,882.29 : 113,828.94 = 29,135.16 : x
  2. Step 2: Convert to fraction form
    75,882.29/113,828.94 = 29,135.16/x
  3. Step 3: Cross multiply
    75,882.29x = 113,828.94 × 29,135.16
  4. Step 4: Simplify right side
    75,882.29x = 3,316,424,379.53
  5. Step 5: Solve for x
    x = 3,316,424,379.53/75,882.29
  6. Step 6: Final answer
    x = 43,704.86

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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.