Home / 74,519.02-111,778.57-18,360.22

Finding the Fourth Proportional to 74,519.02, 111,778.57 and 18,360.22

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Solution

The fourth proportional to 74,519.02, 111,778.57 and 18,360.22 is: 27,540.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,519.02 : 111,778.57 = 18,360.22 : x
  2. Step 2: Convert to fraction form
    74,519.02/111,778.57 = 18,360.22/x
  3. Step 3: Cross multiply
    74,519.02x = 111,778.57 × 18,360.22
  4. Step 4: Simplify right side
    74,519.02x = 2,052,279,136.49
  5. Step 5: Solve for x
    x = 2,052,279,136.49/74,519.02
  6. Step 6: Final answer
    x = 27,540.34

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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.