Home / 60,221.39-90,328.66-18,100.62

Finding the Fourth Proportional to 60,221.39, 90,328.66 and 18,100.62

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Solution

The fourth proportional to 60,221.39, 90,328.66 and 18,100.62 is: 27,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,221.39 : 90,328.66 = 18,100.62 : x
  2. Step 2: Convert to fraction form
    60,221.39/90,328.66 = 18,100.62/x
  3. Step 3: Cross multiply
    60,221.39x = 90,328.66 × 18,100.62
  4. Step 4: Simplify right side
    60,221.39x = 1,635,004,749.77
  5. Step 5: Solve for x
    x = 1,635,004,749.77/60,221.39
  6. Step 6: Final answer
    x = 27,149.90

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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.