Home / 79,044.14-109,072.58-47,208.62

Finding the Fourth Proportional to 79,044.14, 109,072.58 and 47,208.62

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Solution

The fourth proportional to 79,044.14, 109,072.58 and 47,208.62 is: 65,142.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,044.14 : 109,072.58 = 47,208.62 : x
  2. Step 2: Convert to fraction form
    79,044.14/109,072.58 = 47,208.62/x
  3. Step 3: Cross multiply
    79,044.14x = 109,072.58 × 47,208.62
  4. Step 4: Simplify right side
    79,044.14x = 5,149,165,981.64
  5. Step 5: Solve for x
    x = 5,149,165,981.64/79,044.14
  6. Step 6: Final answer
    x = 65,142.92

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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.