Home / 79,528.05-109,745.93-43,717.80

Finding the Fourth Proportional to 79,528.05, 109,745.93 and 43,717.80

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Solution

The fourth proportional to 79,528.05, 109,745.93 and 43,717.80 is: 60,329.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,528.05 : 109,745.93 = 43,717.80 : x
  2. Step 2: Convert to fraction form
    79,528.05/109,745.93 = 43,717.80/x
  3. Step 3: Cross multiply
    79,528.05x = 109,745.93 × 43,717.80
  4. Step 4: Simplify right side
    79,528.05x = 4,797,851,139.40
  5. Step 5: Solve for x
    x = 4,797,851,139.40/79,528.05
  6. Step 6: Final answer
    x = 60,329.04

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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.