Home / 79,569.36-109,803.60-43,763.04

Finding the Fourth Proportional to 79,569.36, 109,803.60 and 43,763.04

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Solution

The fourth proportional to 79,569.36, 109,803.60 and 43,763.04 is: 60,391.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,569.36 : 109,803.60 = 43,763.04 : x
  2. Step 2: Convert to fraction form
    79,569.36/109,803.60 = 43,763.04/x
  3. Step 3: Cross multiply
    79,569.36x = 109,803.60 × 43,763.04
  4. Step 4: Simplify right side
    79,569.36x = 4,805,339,338.94
  5. Step 5: Solve for x
    x = 4,805,339,338.94/79,569.36
  6. Step 6: Final answer
    x = 60,391.83

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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.