Home / 52,311.69-78,490.71-29,821.54

Finding the Fourth Proportional to 52,311.69, 78,490.71 and 29,821.54

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Solution

The fourth proportional to 52,311.69, 78,490.71 and 29,821.54 is: 44,745.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,311.69 : 78,490.71 = 29,821.54 : x
  2. Step 2: Convert to fraction form
    52,311.69/78,490.71 = 29,821.54/x
  3. Step 3: Cross multiply
    52,311.69x = 78,490.71 × 29,821.54
  4. Step 4: Simplify right side
    52,311.69x = 2,340,713,977.66
  5. Step 5: Solve for x
    x = 2,340,713,977.66/52,311.69
  6. Step 6: Final answer
    x = 44,745.53

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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.