Home / 52,438.38-78,640.77-17,370.54

Finding the Fourth Proportional to 52,438.38, 78,640.77 and 17,370.54

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Solution

The fourth proportional to 52,438.38, 78,640.77 and 17,370.54 is: 26,050.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,438.38 : 78,640.77 = 17,370.54 : x
  2. Step 2: Convert to fraction form
    52,438.38/78,640.77 = 17,370.54/x
  3. Step 3: Cross multiply
    52,438.38x = 78,640.77 × 17,370.54
  4. Step 4: Simplify right side
    52,438.38x = 1,366,032,640.92
  5. Step 5: Solve for x
    x = 1,366,032,640.92/52,438.38
  6. Step 6: Final answer
    x = 26,050.24

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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.