Home / 79,525.81-109,745.75-43,716.05

Finding the Fourth Proportional to 79,525.81, 109,745.75 and 43,716.05

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Solution

The fourth proportional to 79,525.81, 109,745.75 and 43,716.05 is: 60,328.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,525.81 : 109,745.75 = 43,716.05 : x
  2. Step 2: Convert to fraction form
    79,525.81/109,745.75 = 43,716.05/x
  3. Step 3: Cross multiply
    79,525.81x = 109,745.75 × 43,716.05
  4. Step 4: Simplify right side
    79,525.81x = 4,797,649,926.98
  5. Step 5: Solve for x
    x = 4,797,649,926.98/79,525.81
  6. Step 6: Final answer
    x = 60,328.21

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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.