Home / 80,887.80-121,325.79-27,575.37

Finding the Fourth Proportional to 80,887.80, 121,325.79 and 27,575.37

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Solution

The fourth proportional to 80,887.80, 121,325.79 and 27,575.37 is: 41,361.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,887.80 : 121,325.79 = 27,575.37 : x
  2. Step 2: Convert to fraction form
    80,887.80/121,325.79 = 27,575.37/x
  3. Step 3: Cross multiply
    80,887.80x = 121,325.79 × 27,575.37
  4. Step 4: Simplify right side
    80,887.80x = 3,345,603,549.79
  5. Step 5: Solve for x
    x = 3,345,603,549.79/80,887.80
  6. Step 6: Final answer
    x = 41,361.04

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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.