Home / 74,503.26-111,770.55-21,908.34

Finding the Fourth Proportional to 74,503.26, 111,770.55 and 21,908.34

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Solution

The fourth proportional to 74,503.26, 111,770.55 and 21,908.34 is: 32,867.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,503.26 : 111,770.55 = 21,908.34 : x
  2. Step 2: Convert to fraction form
    74,503.26/111,770.55 = 21,908.34/x
  3. Step 3: Cross multiply
    74,503.26x = 111,770.55 × 21,908.34
  4. Step 4: Simplify right side
    74,503.26x = 2,448,707,211.39
  5. Step 5: Solve for x
    x = 2,448,707,211.39/74,503.26
  6. Step 6: Final answer
    x = 32,867.11

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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.