Home / 80,968.26-121,416.72-36,593.22

Finding the Fourth Proportional to 80,968.26, 121,416.72 and 36,593.22

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Solution

The fourth proportional to 80,968.26, 121,416.72 and 36,593.22 is: 54,873.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,968.26 : 121,416.72 = 36,593.22 : x
  2. Step 2: Convert to fraction form
    80,968.26/121,416.72 = 36,593.22/x
  3. Step 3: Cross multiply
    80,968.26x = 121,416.72 × 36,593.22
  4. Step 4: Simplify right side
    80,968.26x = 4,443,028,746.64
  5. Step 5: Solve for x
    x = 4,443,028,746.64/80,968.26
  6. Step 6: Final answer
    x = 54,873.71

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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.