Home / 55,617.06-83,408.15-18,168.60

Finding the Fourth Proportional to 55,617.06, 83,408.15 and 18,168.60

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Solution

The fourth proportional to 55,617.06, 83,408.15 and 18,168.60 is: 27,247.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,617.06 : 83,408.15 = 18,168.60 : x
  2. Step 2: Convert to fraction form
    55,617.06/83,408.15 = 18,168.60/x
  3. Step 3: Cross multiply
    55,617.06x = 83,408.15 × 18,168.60
  4. Step 4: Simplify right side
    55,617.06x = 1,515,408,897.05
  5. Step 5: Solve for x
    x = 1,515,408,897.05/55,617.06
  6. Step 6: Final answer
    x = 27,247.20

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1.5x scale

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.