Home / 91,276.26-125,959.86-50,990.58

Finding the Fourth Proportional to 91,276.26, 125,959.86 and 50,990.58

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Solution

The fourth proportional to 91,276.26, 125,959.86 and 50,990.58 is: 70,366.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,276.26 : 125,959.86 = 50,990.58 : x
  2. Step 2: Convert to fraction form
    91,276.26/125,959.86 = 50,990.58/x
  3. Step 3: Cross multiply
    91,276.26x = 125,959.86 × 50,990.58
  4. Step 4: Simplify right side
    91,276.26x = 6,422,766,318.12
  5. Step 5: Solve for x
    x = 6,422,766,318.12/91,276.26
  6. Step 6: Final answer
    x = 70,366.23

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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.