Home / 100,827.20-151,204.35-50,890.70

Finding the Fourth Proportional to 100,827.20, 151,204.35 and 50,890.70

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Solution

The fourth proportional to 100,827.20, 151,204.35 and 50,890.70 is: 76,317.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,827.20 : 151,204.35 = 50,890.70 : x
  2. Step 2: Convert to fraction form
    100,827.20/151,204.35 = 50,890.70/x
  3. Step 3: Cross multiply
    100,827.20x = 151,204.35 × 50,890.70
  4. Step 4: Simplify right side
    100,827.20x = 7,694,895,214.55
  5. Step 5: Solve for x
    x = 7,694,895,214.55/100,827.20
  6. Step 6: Final answer
    x = 76,317.65

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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.