Home / 100,732.40-151,117.29-33,269.11

Finding the Fourth Proportional to 100,732.40, 151,117.29 and 33,269.11

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Solution

The fourth proportional to 100,732.40, 151,117.29 and 33,269.11 is: 49,909.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,732.40 : 151,117.29 = 33,269.11 : x
  2. Step 2: Convert to fraction form
    100,732.40/151,117.29 = 33,269.11/x
  3. Step 3: Cross multiply
    100,732.40x = 151,117.29 × 33,269.11
  4. Step 4: Simplify right side
    100,732.40x = 5,027,536,821.98
  5. Step 5: Solve for x
    x = 5,027,536,821.98/100,732.40
  6. Step 6: Final answer
    x = 49,909.83

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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.