Home / 55,515.20-83,029.80-49,634.60

Finding the Fourth Proportional to 55,515.20, 83,029.80 and 49,634.60

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Solution

The fourth proportional to 55,515.20, 83,029.80 and 49,634.60 is: 74,234.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,515.20 : 83,029.80 = 49,634.60 : x
  2. Step 2: Convert to fraction form
    55,515.20/83,029.80 = 49,634.60/x
  3. Step 3: Cross multiply
    55,515.20x = 83,029.80 × 49,634.60
  4. Step 4: Simplify right side
    55,515.20x = 4,121,150,911.08
  5. Step 5: Solve for x
    x = 4,121,150,911.08/55,515.20
  6. Step 6: Final answer
    x = 74,234.64

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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.