Home / 79,815.26-119,680.89-35,422.94

Finding the Fourth Proportional to 79,815.26, 119,680.89 and 35,422.94

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Solution

The fourth proportional to 79,815.26, 119,680.89 and 35,422.94 is: 53,115.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,815.26 : 119,680.89 = 35,422.94 : x
  2. Step 2: Convert to fraction form
    79,815.26/119,680.89 = 35,422.94/x
  3. Step 3: Cross multiply
    79,815.26x = 119,680.89 × 35,422.94
  4. Step 4: Simplify right side
    79,815.26x = 4,239,448,985.62
  5. Step 5: Solve for x
    x = 4,239,448,985.62/79,815.26
  6. Step 6: Final answer
    x = 53,115.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.