Home / 80,899.22-121,253.52-36,473.96

Finding the Fourth Proportional to 80,899.22, 121,253.52 and 36,473.96

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Solution

The fourth proportional to 80,899.22, 121,253.52 and 36,473.96 is: 54,667.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,899.22 : 121,253.52 = 36,473.96 : x
  2. Step 2: Convert to fraction form
    80,899.22/121,253.52 = 36,473.96/x
  3. Step 3: Cross multiply
    80,899.22x = 121,253.52 × 36,473.96
  4. Step 4: Simplify right side
    80,899.22x = 4,422,596,478.25
  5. Step 5: Solve for x
    x = 4,422,596,478.25/80,899.22
  6. Step 6: Final answer
    x = 54,667.97

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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.