Home / 79,556.53-109,789.68-43,748.51

Finding the Fourth Proportional to 79,556.53, 109,789.68 and 43,748.51

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Solution

The fourth proportional to 79,556.53, 109,789.68 and 43,748.51 is: 60,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,556.53 : 109,789.68 = 43,748.51 : x
  2. Step 2: Convert to fraction form
    79,556.53/109,789.68 = 43,748.51/x
  3. Step 3: Cross multiply
    79,556.53x = 109,789.68 × 43,748.51
  4. Step 4: Simplify right side
    79,556.53x = 4,803,134,282.40
  5. Step 5: Solve for x
    x = 4,803,134,282.40/79,556.53
  6. Step 6: Final answer
    x = 60,373.85

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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.