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Finding the Fourth Proportional to 73,464.70, 101,351.08 and 47,962.22

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Solution

The fourth proportional to 73,464.70, 101,351.08 and 47,962.22 is: 66,168.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,464.70 : 101,351.08 = 47,962.22 : x
  2. Step 2: Convert to fraction form
    73,464.70/101,351.08 = 47,962.22/x
  3. Step 3: Cross multiply
    73,464.70x = 101,351.08 × 47,962.22
  4. Step 4: Simplify right side
    73,464.70x = 4,861,022,796.20
  5. Step 5: Solve for x
    x = 4,861,022,796.20/73,464.70
  6. Step 6: Final answer
    x = 66,168.14

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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.