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Finding the Fourth Proportional to 63,174.77, 87,179.87 and 36,317.03

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Solution

The fourth proportional to 63,174.77, 87,179.87 and 36,317.03 is: 50,116.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,174.77 : 87,179.87 = 36,317.03 : x
  2. Step 2: Convert to fraction form
    63,174.77/87,179.87 = 36,317.03/x
  3. Step 3: Cross multiply
    63,174.77x = 87,179.87 × 36,317.03
  4. Step 4: Simplify right side
    63,174.77x = 3,166,114,262.93
  5. Step 5: Solve for x
    x = 3,166,114,262.93/63,174.77
  6. Step 6: Final answer
    x = 50,116.76

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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.