Home / 82,808.33-124,214.51-30,217.79

Finding the Fourth Proportional to 82,808.33, 124,214.51 and 30,217.79

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Solution

The fourth proportional to 82,808.33, 124,214.51 and 30,217.79 is: 45,327.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,808.33 : 124,214.51 = 30,217.79 : x
  2. Step 2: Convert to fraction form
    82,808.33/124,214.51 = 30,217.79/x
  3. Step 3: Cross multiply
    82,808.33x = 124,214.51 × 30,217.79
  4. Step 4: Simplify right side
    82,808.33x = 3,753,488,364.21
  5. Step 5: Solve for x
    x = 3,753,488,364.21/82,808.33
  6. Step 6: Final answer
    x = 45,327.43

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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.