Home / 79,589.25-109,832.61-45,140.53

Finding the Fourth Proportional to 79,589.25, 109,832.61 and 45,140.53

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Solution

The fourth proportional to 79,589.25, 109,832.61 and 45,140.53 is: 62,293.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,589.25 : 109,832.61 = 45,140.53 : x
  2. Step 2: Convert to fraction form
    79,589.25/109,832.61 = 45,140.53/x
  3. Step 3: Cross multiply
    79,589.25x = 109,832.61 × 45,140.53
  4. Step 4: Simplify right side
    79,589.25x = 4,957,902,226.68
  5. Step 5: Solve for x
    x = 4,957,902,226.68/79,589.25
  6. Step 6: Final answer
    x = 62,293.62

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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.