Home / 100,928.91-151,422.97-29,853.43

Finding the Fourth Proportional to 100,928.91, 151,422.97 and 29,853.43

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Solution

The fourth proportional to 100,928.91, 151,422.97 and 29,853.43 is: 44,788.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,928.91 : 151,422.97 = 29,853.43 : x
  2. Step 2: Convert to fraction form
    100,928.91/151,422.97 = 29,853.43/x
  3. Step 3: Cross multiply
    100,928.91x = 151,422.97 × 29,853.43
  4. Step 4: Simplify right side
    100,928.91x = 4,520,494,352.81
  5. Step 5: Solve for x
    x = 4,520,494,352.81/100,928.91
  6. Step 6: Final answer
    x = 44,788.90

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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.