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Finding the Fourth Proportional to 67,477.09, 101,104.87 and 23,079.64

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Solution

The fourth proportional to 67,477.09, 101,104.87 and 23,079.64 is: 34,581.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,477.09 : 101,104.87 = 23,079.64 : x
  2. Step 2: Convert to fraction form
    67,477.09/101,104.87 = 23,079.64/x
  3. Step 3: Cross multiply
    67,477.09x = 101,104.87 × 23,079.64
  4. Step 4: Simplify right side
    67,477.09x = 2,333,464,001.85
  5. Step 5: Solve for x
    x = 2,333,464,001.85/67,477.09
  6. Step 6: Final answer
    x = 34,581.57

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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.