Home / 89,745.30-134,613.09-27,415.80

Finding the Fourth Proportional to 89,745.30, 134,613.09 and 27,415.80

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Solution

The fourth proportional to 89,745.30, 134,613.09 and 27,415.80 is: 41,122.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,745.30 : 134,613.09 = 27,415.80 : x
  2. Step 2: Convert to fraction form
    89,745.30/134,613.09 = 27,415.80/x
  3. Step 3: Cross multiply
    89,745.30x = 134,613.09 × 27,415.80
  4. Step 4: Simplify right side
    89,745.30x = 3,690,525,552.82
  5. Step 5: Solve for x
    x = 3,690,525,552.82/89,745.30
  6. Step 6: Final answer
    x = 41,122.22

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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.