Home / 67,928.14-101,859.42-28,474.66

Finding the Fourth Proportional to 67,928.14, 101,859.42 and 28,474.66

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Solution

The fourth proportional to 67,928.14, 101,859.42 and 28,474.66 is: 42,698.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,928.14 : 101,859.42 = 28,474.66 : x
  2. Step 2: Convert to fraction form
    67,928.14/101,859.42 = 28,474.66/x
  3. Step 3: Cross multiply
    67,928.14x = 101,859.42 × 28,474.66
  4. Step 4: Simplify right side
    67,928.14x = 2,900,412,352.30
  5. Step 5: Solve for x
    x = 2,900,412,352.30/67,928.14
  6. Step 6: Final answer
    x = 42,698.24

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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.