Home / 92,480.20-138,625.26-39,845.32

Finding the Fourth Proportional to 92,480.20, 138,625.26 and 39,845.32

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Solution

The fourth proportional to 92,480.20, 138,625.26 and 39,845.32 is: 59,727.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,480.20 : 138,625.26 = 39,845.32 : x
  2. Step 2: Convert to fraction form
    92,480.20/138,625.26 = 39,845.32/x
  3. Step 3: Cross multiply
    92,480.20x = 138,625.26 × 39,845.32
  4. Step 4: Simplify right side
    92,480.20x = 5,523,567,844.78
  5. Step 5: Solve for x
    x = 5,523,567,844.78/92,480.20
  6. Step 6: Final answer
    x = 59,727.03

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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.