Home / 75,600.15-104,321.43-43,771.20

Finding the Fourth Proportional to 75,600.15, 104,321.43 and 43,771.20

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Solution

The fourth proportional to 75,600.15, 104,321.43 and 43,771.20 is: 60,400.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,600.15 : 104,321.43 = 43,771.20 : x
  2. Step 2: Convert to fraction form
    75,600.15/104,321.43 = 43,771.20/x
  3. Step 3: Cross multiply
    75,600.15x = 104,321.43 × 43,771.20
  4. Step 4: Simplify right side
    75,600.15x = 4,566,274,176.82
  5. Step 5: Solve for x
    x = 4,566,274,176.82/75,600.15
  6. Step 6: Final answer
    x = 60,400.33

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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.