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Finding the Fourth Proportional to 73,543, 110,175.18 and 43,467.16

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Solution

The fourth proportional to 73,543, 110,175.18 and 43,467.16 is: 65,118.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,543 : 110,175.18 = 43,467.16 : x
  2. Step 2: Convert to fraction form
    73,543/110,175.18 = 43,467.16/x
  3. Step 3: Cross multiply
    73,543x = 110,175.18 × 43,467.16
  4. Step 4: Simplify right side
    73,543x = 4,789,002,177.09
  5. Step 5: Solve for x
    x = 4,789,002,177.09/73,543
  6. Step 6: Final answer
    x = 65,118.40

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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.