Home / 81,348.22-122,101.24-39,257.93

Finding the Fourth Proportional to 81,348.22, 122,101.24 and 39,257.93

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Solution

The fourth proportional to 81,348.22, 122,101.24 and 39,257.93 is: 58,924.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,348.22 : 122,101.24 = 39,257.93 : x
  2. Step 2: Convert to fraction form
    81,348.22/122,101.24 = 39,257.93/x
  3. Step 3: Cross multiply
    81,348.22x = 122,101.24 × 39,257.93
  4. Step 4: Simplify right side
    81,348.22x = 4,793,441,322.33
  5. Step 5: Solve for x
    x = 4,793,441,322.33/81,348.22
  6. Step 6: Final answer
    x = 58,924.97

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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.