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Finding the Fourth Proportional to 73,319.50, 101,179.83 and 43,108.22

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Solution

The fourth proportional to 73,319.50, 101,179.83 and 43,108.22 is: 59,488.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,319.50 : 101,179.83 = 43,108.22 : x
  2. Step 2: Convert to fraction form
    73,319.50/101,179.83 = 43,108.22/x
  3. Step 3: Cross multiply
    73,319.50x = 101,179.83 × 43,108.22
  4. Step 4: Simplify right side
    73,319.50x = 4,361,682,371.20
  5. Step 5: Solve for x
    x = 4,361,682,371.20/73,319.50
  6. Step 6: Final answer
    x = 59,488.71

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1.5x scale

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.