Home / 54,715.24-82,131.18-52,732.36

Finding the Fourth Proportional to 54,715.24, 82,131.18 and 52,732.36

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Solution

The fourth proportional to 54,715.24, 82,131.18 and 52,732.36 is: 79,154.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,715.24 : 82,131.18 = 52,732.36 : x
  2. Step 2: Convert to fraction form
    54,715.24/82,131.18 = 52,732.36/x
  3. Step 3: Cross multiply
    54,715.24x = 82,131.18 × 52,732.36
  4. Step 4: Simplify right side
    54,715.24x = 4,330,970,950.98
  5. Step 5: Solve for x
    x = 4,330,970,950.98/54,715.24
  6. Step 6: Final answer
    x = 79,154.75

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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.