Home / 79,583.52-109,819.68-43,775.04

Finding the Fourth Proportional to 79,583.52, 109,819.68 and 43,775.04

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Solution

The fourth proportional to 79,583.52, 109,819.68 and 43,775.04 is: 60,406.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,583.52 : 109,819.68 = 43,775.04 : x
  2. Step 2: Convert to fraction form
    79,583.52/109,819.68 = 43,775.04/x
  3. Step 3: Cross multiply
    79,583.52x = 109,819.68 × 43,775.04
  4. Step 4: Simplify right side
    79,583.52x = 4,807,360,884.79
  5. Step 5: Solve for x
    x = 4,807,360,884.79/79,583.52
  6. Step 6: Final answer
    x = 60,406.49

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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.