Home / 87,537.21-120,799.76-49,296.60

Finding the Fourth Proportional to 87,537.21, 120,799.76 and 49,296.60

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Solution

The fourth proportional to 87,537.21, 120,799.76 and 49,296.60 is: 68,028.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,537.21 : 120,799.76 = 49,296.60 : x
  2. Step 2: Convert to fraction form
    87,537.21/120,799.76 = 49,296.60/x
  3. Step 3: Cross multiply
    87,537.21x = 120,799.76 × 49,296.60
  4. Step 4: Simplify right side
    87,537.21x = 5,955,017,202.33
  5. Step 5: Solve for x
    x = 5,955,017,202.33/87,537.21
  6. Step 6: Final answer
    x = 68,028.41

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.