Home / 55,243.62-82,868.27-15,806.54

Finding the Fourth Proportional to 55,243.62, 82,868.27 and 15,806.54

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Solution

The fourth proportional to 55,243.62, 82,868.27 and 15,806.54 is: 23,710.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,243.62 : 82,868.27 = 15,806.54 : x
  2. Step 2: Convert to fraction form
    55,243.62/82,868.27 = 15,806.54/x
  3. Step 3: Cross multiply
    55,243.62x = 82,868.27 × 15,806.54
  4. Step 4: Simplify right side
    55,243.62x = 1,309,860,752.62
  5. Step 5: Solve for x
    x = 1,309,860,752.62/55,243.62
  6. Step 6: Final answer
    x = 23,710.62

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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.