Home / 52,481.16-78,759.54-25,821.36

Finding the Fourth Proportional to 52,481.16, 78,759.54 and 25,821.36

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Solution

The fourth proportional to 52,481.16, 78,759.54 and 25,821.36 is: 38,750.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,481.16 : 78,759.54 = 25,821.36 : x
  2. Step 2: Convert to fraction form
    52,481.16/78,759.54 = 25,821.36/x
  3. Step 3: Cross multiply
    52,481.16x = 78,759.54 × 25,821.36
  4. Step 4: Simplify right side
    52,481.16x = 2,033,678,435.77
  5. Step 5: Solve for x
    x = 2,033,678,435.77/52,481.16
  6. Step 6: Final answer
    x = 38,750.64

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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.