Home / 55,182.87-82,777.04-15,745.79

Finding the Fourth Proportional to 55,182.87, 82,777.04 and 15,745.79

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Solution

The fourth proportional to 55,182.87, 82,777.04 and 15,745.79 is: 23,619.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,182.87 : 82,777.04 = 15,745.79 : x
  2. Step 2: Convert to fraction form
    55,182.87/82,777.04 = 15,745.79/x
  3. Step 3: Cross multiply
    55,182.87x = 82,777.04 × 15,745.79
  4. Step 4: Simplify right side
    55,182.87x = 1,303,390,075.92
  5. Step 5: Solve for x
    x = 1,303,390,075.92/55,182.87
  6. Step 6: Final answer
    x = 23,619.47

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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.