Home / 81,374.08-122,001.97-34,002.73

Finding the Fourth Proportional to 81,374.08, 122,001.97 and 34,002.73

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Solution

The fourth proportional to 81,374.08, 122,001.97 and 34,002.73 is: 50,979.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,374.08 : 122,001.97 = 34,002.73 : x
  2. Step 2: Convert to fraction form
    81,374.08/122,001.97 = 34,002.73/x
  3. Step 3: Cross multiply
    81,374.08x = 122,001.97 × 34,002.73
  4. Step 4: Simplify right side
    81,374.08x = 4,148,400,240.38
  5. Step 5: Solve for x
    x = 4,148,400,240.38/81,374.08
  6. Step 6: Final answer
    x = 50,979.38

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1.5x scale

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.