Home / 55,216.20-82,824.30-49,513.80

Finding the Fourth Proportional to 55,216.20, 82,824.30 and 49,513.80

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Solution

The fourth proportional to 55,216.20, 82,824.30 and 49,513.80 is: 74,270.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,216.20 : 82,824.30 = 49,513.80 : x
  2. Step 2: Convert to fraction form
    55,216.20/82,824.30 = 49,513.80/x
  3. Step 3: Cross multiply
    55,216.20x = 82,824.30 × 49,513.80
  4. Step 4: Simplify right side
    55,216.20x = 4,100,945,825.34
  5. Step 5: Solve for x
    x = 4,100,945,825.34/55,216.20
  6. Step 6: Final answer
    x = 74,270.70

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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.