Home / 79,371.30-109,528.97-43,561.92

Finding the Fourth Proportional to 79,371.30, 109,528.97 and 43,561.92

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Solution

The fourth proportional to 79,371.30, 109,528.97 and 43,561.92 is: 60,113.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,371.30 : 109,528.97 = 43,561.92 : x
  2. Step 2: Convert to fraction form
    79,371.30/109,528.97 = 43,561.92/x
  3. Step 3: Cross multiply
    79,371.30x = 109,528.97 × 43,561.92
  4. Step 4: Simplify right side
    79,371.30x = 4,771,292,011.01
  5. Step 5: Solve for x
    x = 4,771,292,011.01/79,371.30
  6. Step 6: Final answer
    x = 60,113.57

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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.