Home / 81,610.83-122,161.85-62,842.11

Finding the Fourth Proportional to 81,610.83, 122,161.85 and 62,842.11

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Solution

The fourth proportional to 81,610.83, 122,161.85 and 62,842.11 is: 94,067.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,610.83 : 122,161.85 = 62,842.11 : x
  2. Step 2: Convert to fraction form
    81,610.83/122,161.85 = 62,842.11/x
  3. Step 3: Cross multiply
    81,610.83x = 122,161.85 × 62,842.11
  4. Step 4: Simplify right side
    81,610.83x = 7,676,908,101.29
  5. Step 5: Solve for x
    x = 7,676,908,101.29/81,610.83
  6. Step 6: Final answer
    x = 94,067.27

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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.