Home / 73,249.92-109,880.35-31,125.26

Finding the Fourth Proportional to 73,249.92, 109,880.35 and 31,125.26

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Solution

The fourth proportional to 73,249.92, 109,880.35 and 31,125.26 is: 46,690.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,249.92 : 109,880.35 = 31,125.26 : x
  2. Step 2: Convert to fraction form
    73,249.92/109,880.35 = 31,125.26/x
  3. Step 3: Cross multiply
    73,249.92x = 109,880.35 × 31,125.26
  4. Step 4: Simplify right side
    73,249.92x = 3,420,054,659.53
  5. Step 5: Solve for x
    x = 3,420,054,659.53/73,249.92
  6. Step 6: Final answer
    x = 46,690.22

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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.