Home / 91,092.26-125,659.52-74,115.48

Finding the Fourth Proportional to 91,092.26, 125,659.52 and 74,115.48

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Solution

The fourth proportional to 91,092.26, 125,659.52 and 74,115.48 is: 102,240.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,092.26 : 125,659.52 = 74,115.48 : x
  2. Step 2: Convert to fraction form
    91,092.26/125,659.52 = 74,115.48/x
  3. Step 3: Cross multiply
    91,092.26x = 125,659.52 × 74,115.48
  4. Step 4: Simplify right side
    91,092.26x = 9,313,315,641.37
  5. Step 5: Solve for x
    x = 9,313,315,641.37/91,092.26
  6. Step 6: Final answer
    x = 102,240.47

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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.