Home / 81,929.06-122,736.16-50,246.76

Finding the Fourth Proportional to 81,929.06, 122,736.16 and 50,246.76

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Solution

The fourth proportional to 81,929.06, 122,736.16 and 50,246.76 is: 75,273.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,929.06 : 122,736.16 = 50,246.76 : x
  2. Step 2: Convert to fraction form
    81,929.06/122,736.16 = 50,246.76/x
  3. Step 3: Cross multiply
    81,929.06x = 122,736.16 × 50,246.76
  4. Step 4: Simplify right side
    81,929.06x = 6,167,094,374.84
  5. Step 5: Solve for x
    x = 6,167,094,374.84/81,929.06
  6. Step 6: Final answer
    x = 75,273.59

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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.