Home / 78,092.26-117,145.59-25,502.02

Finding the Fourth Proportional to 78,092.26, 117,145.59 and 25,502.02

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Solution

The fourth proportional to 78,092.26, 117,145.59 and 25,502.02 is: 38,255.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,092.26 : 117,145.59 = 25,502.02 : x
  2. Step 2: Convert to fraction form
    78,092.26/117,145.59 = 25,502.02/x
  3. Step 3: Cross multiply
    78,092.26x = 117,145.59 × 25,502.02
  4. Step 4: Simplify right side
    78,092.26x = 2,987,449,179.09
  5. Step 5: Solve for x
    x = 2,987,449,179.09/78,092.26
  6. Step 6: Final answer
    x = 38,255.38

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.