Home / 55,629.90-83,449.98-18,190.16

Finding the Fourth Proportional to 55,629.90, 83,449.98 and 18,190.16

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Solution

The fourth proportional to 55,629.90, 83,449.98 and 18,190.16 is: 27,286.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,629.90 : 83,449.98 = 18,190.16 : x
  2. Step 2: Convert to fraction form
    55,629.90/83,449.98 = 18,190.16/x
  3. Step 3: Cross multiply
    55,629.90x = 83,449.98 × 18,190.16
  4. Step 4: Simplify right side
    55,629.90x = 1,517,968,488.20
  5. Step 5: Solve for x
    x = 1,517,968,488.20/55,629.90
  6. Step 6: Final answer
    x = 27,286.92

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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.