Home / 79,555.04-109,786.35-43,747.36

Finding the Fourth Proportional to 79,555.04, 109,786.35 and 43,747.36

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Solution

The fourth proportional to 79,555.04, 109,786.35 and 43,747.36 is: 60,371.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,555.04 : 109,786.35 = 43,747.36 : x
  2. Step 2: Convert to fraction form
    79,555.04/109,786.35 = 43,747.36/x
  3. Step 3: Cross multiply
    79,555.04x = 109,786.35 × 43,747.36
  4. Step 4: Simplify right side
    79,555.04x = 4,802,862,976.54
  5. Step 5: Solve for x
    x = 4,802,862,976.54/79,555.04
  6. Step 6: Final answer
    x = 60,371.57

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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.