Home / 102,508.82-141,438.03-62,221.58

Finding the Fourth Proportional to 102,508.82, 141,438.03 and 62,221.58

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Solution

The fourth proportional to 102,508.82, 141,438.03 and 62,221.58 is: 85,851.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,508.82 : 141,438.03 = 62,221.58 : x
  2. Step 2: Convert to fraction form
    102,508.82/141,438.03 = 62,221.58/x
  3. Step 3: Cross multiply
    102,508.82x = 141,438.03 × 62,221.58
  4. Step 4: Simplify right side
    102,508.82x = 8,800,497,698.69
  5. Step 5: Solve for x
    x = 8,800,497,698.69/102,508.82
  6. Step 6: Final answer
    x = 85,851.13

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.