Home / 66,481.68-99,790.14-33,225.60

Finding the Fourth Proportional to 66,481.68, 99,790.14 and 33,225.60

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Solution

The fourth proportional to 66,481.68, 99,790.14 and 33,225.60 is: 49,872.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,481.68 : 99,790.14 = 33,225.60 : x
  2. Step 2: Convert to fraction form
    66,481.68/99,790.14 = 33,225.60/x
  3. Step 3: Cross multiply
    66,481.68x = 99,790.14 × 33,225.60
  4. Step 4: Simplify right side
    66,481.68x = 3,315,587,275.58
  5. Step 5: Solve for x
    x = 3,315,587,275.58/66,481.68
  6. Step 6: Final answer
    x = 49,872.19

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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.