Home / 75,083.60-103,615.56-41,550.80

Finding the Fourth Proportional to 75,083.60, 103,615.56 and 41,550.80

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Solution

The fourth proportional to 75,083.60, 103,615.56 and 41,550.80 is: 57,340.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,083.60 : 103,615.56 = 41,550.80 : x
  2. Step 2: Convert to fraction form
    75,083.60/103,615.56 = 41,550.80/x
  3. Step 3: Cross multiply
    75,083.60x = 103,615.56 × 41,550.80
  4. Step 4: Simplify right side
    75,083.60x = 4,305,309,410.45
  5. Step 5: Solve for x
    x = 4,305,309,410.45/75,083.60
  6. Step 6: Final answer
    x = 57,340.21

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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.