Home / 52,179.07-78,234.57-34,355.78

Finding the Fourth Proportional to 52,179.07, 78,234.57 and 34,355.78

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Solution

The fourth proportional to 52,179.07, 78,234.57 and 34,355.78 is: 51,511.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,179.07 : 78,234.57 = 34,355.78 : x
  2. Step 2: Convert to fraction form
    52,179.07/78,234.57 = 34,355.78/x
  3. Step 3: Cross multiply
    52,179.07x = 78,234.57 × 34,355.78
  4. Step 4: Simplify right side
    52,179.07x = 2,687,809,675.31
  5. Step 5: Solve for x
    x = 2,687,809,675.31/52,179.07
  6. Step 6: Final answer
    x = 51,511.26

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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.