Home / 90,736.73-125,181.25-51,953.83

Finding the Fourth Proportional to 90,736.73, 125,181.25 and 51,953.83

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Solution

The fourth proportional to 90,736.73, 125,181.25 and 51,953.83 is: 71,675.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,736.73 : 125,181.25 = 51,953.83 : x
  2. Step 2: Convert to fraction form
    90,736.73/125,181.25 = 51,953.83/x
  3. Step 3: Cross multiply
    90,736.73x = 125,181.25 × 51,953.83
  4. Step 4: Simplify right side
    90,736.73x = 6,503,645,381.69
  5. Step 5: Solve for x
    x = 6,503,645,381.69/90,736.73
  6. Step 6: Final answer
    x = 71,675.99

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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.