Home / 74,250.55-111,366.77-21,660.08

Finding the Fourth Proportional to 74,250.55, 111,366.77 and 21,660.08

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Solution

The fourth proportional to 74,250.55, 111,366.77 and 21,660.08 is: 32,487.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,250.55 : 111,366.77 = 21,660.08 : x
  2. Step 2: Convert to fraction form
    74,250.55/111,366.77 = 21,660.08/x
  3. Step 3: Cross multiply
    74,250.55x = 111,366.77 × 21,660.08
  4. Step 4: Simplify right side
    74,250.55x = 2,412,213,147.54
  5. Step 5: Solve for x
    x = 2,412,213,147.54/74,250.55
  6. Step 6: Final answer
    x = 32,487.48

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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.