Home / 40,163.99-60,245.64-12,083.90

Finding the Fourth Proportional to 40,163.99, 60,245.64 and 12,083.90

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Solution

The fourth proportional to 40,163.99, 60,245.64 and 12,083.90 is: 18,125.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,163.99 : 60,245.64 = 12,083.90 : x
  2. Step 2: Convert to fraction form
    40,163.99/60,245.64 = 12,083.90/x
  3. Step 3: Cross multiply
    40,163.99x = 60,245.64 × 12,083.90
  4. Step 4: Simplify right side
    40,163.99x = 728,001,987.97
  5. Step 5: Solve for x
    x = 728,001,987.97/40,163.99
  6. Step 6: Final answer
    x = 18,125.74

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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.