Home / 79,365.35-109,521.71-43,554.44

Finding the Fourth Proportional to 79,365.35, 109,521.71 and 43,554.44

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Solution

The fourth proportional to 79,365.35, 109,521.71 and 43,554.44 is: 60,103.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,365.35 : 109,521.71 = 43,554.44 : x
  2. Step 2: Convert to fraction form
    79,365.35/109,521.71 = 43,554.44/x
  3. Step 3: Cross multiply
    79,365.35x = 109,521.71 × 43,554.44
  4. Step 4: Simplify right side
    79,365.35x = 4,770,156,199.28
  5. Step 5: Solve for x
    x = 4,770,156,199.28/79,365.35
  6. Step 6: Final answer
    x = 60,103.77

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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.