Home / 52,400.61-78,576.84-16,855.38

Finding the Fourth Proportional to 52,400.61, 78,576.84 and 16,855.38

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Solution

The fourth proportional to 52,400.61, 78,576.84 and 16,855.38 is: 25,275.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,400.61 : 78,576.84 = 16,855.38 : x
  2. Step 2: Convert to fraction form
    52,400.61/78,576.84 = 16,855.38/x
  3. Step 3: Cross multiply
    52,400.61x = 78,576.84 × 16,855.38
  4. Step 4: Simplify right side
    52,400.61x = 1,324,442,497.40
  5. Step 5: Solve for x
    x = 1,324,442,497.40/52,400.61
  6. Step 6: Final answer
    x = 25,275.33

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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.