Home / 55,191.24-82,532.52-40,986.54

Finding the Fourth Proportional to 55,191.24, 82,532.52 and 40,986.54

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Solution

The fourth proportional to 55,191.24, 82,532.52 and 40,986.54 is: 61,290.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,191.24 : 82,532.52 = 40,986.54 : x
  2. Step 2: Convert to fraction form
    55,191.24/82,532.52 = 40,986.54/x
  3. Step 3: Cross multiply
    55,191.24x = 82,532.52 × 40,986.54
  4. Step 4: Simplify right side
    55,191.24x = 3,382,722,432.28
  5. Step 5: Solve for x
    x = 3,382,722,432.28/55,191.24
  6. Step 6: Final answer
    x = 61,290.93

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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.