Home / 91,753.26-126,628.83-54,039.66

Finding the Fourth Proportional to 91,753.26, 126,628.83 and 54,039.66

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Solution

The fourth proportional to 91,753.26, 126,628.83 and 54,039.66 is: 74,580.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,753.26 : 126,628.83 = 54,039.66 : x
  2. Step 2: Convert to fraction form
    91,753.26/126,628.83 = 54,039.66/x
  3. Step 3: Cross multiply
    91,753.26x = 126,628.83 × 54,039.66
  4. Step 4: Simplify right side
    91,753.26x = 6,842,978,919.40
  5. Step 5: Solve for x
    x = 6,842,978,919.40/91,753.26
  6. Step 6: Final answer
    x = 74,580.23

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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.