Home / 91,243.77-125,919.99-52,481.52

Finding the Fourth Proportional to 91,243.77, 125,919.99 and 52,481.52

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Solution

The fourth proportional to 91,243.77, 125,919.99 and 52,481.52 is: 72,426.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,243.77 : 125,919.99 = 52,481.52 : x
  2. Step 2: Convert to fraction form
    91,243.77/125,919.99 = 52,481.52/x
  3. Step 3: Cross multiply
    91,243.77x = 125,919.99 × 52,481.52
  4. Step 4: Simplify right side
    91,243.77x = 6,608,472,473.58
  5. Step 5: Solve for x
    x = 6,608,472,473.58/91,243.77
  6. Step 6: Final answer
    x = 72,426.56

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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.