Home / 67,711.14-101,578.50-28,295.91

Finding the Fourth Proportional to 67,711.14, 101,578.50 and 28,295.91

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Solution

The fourth proportional to 67,711.14, 101,578.50 and 28,295.91 is: 42,448.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,711.14 : 101,578.50 = 28,295.91 : x
  2. Step 2: Convert to fraction form
    67,711.14/101,578.50 = 28,295.91/x
  3. Step 3: Cross multiply
    67,711.14x = 101,578.50 × 28,295.91
  4. Step 4: Simplify right side
    67,711.14x = 2,874,256,093.94
  5. Step 5: Solve for x
    x = 2,874,256,093.94/67,711.14
  6. Step 6: Final answer
    x = 42,448.79

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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.