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Finding the Fourth Proportional to 73,221.74, 101,050.20 and 41,393.42

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Solution

The fourth proportional to 73,221.74, 101,050.20 and 41,393.42 is: 57,125.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,221.74 : 101,050.20 = 41,393.42 : x
  2. Step 2: Convert to fraction form
    73,221.74/101,050.20 = 41,393.42/x
  3. Step 3: Cross multiply
    73,221.74x = 101,050.20 × 41,393.42
  4. Step 4: Simplify right side
    73,221.74x = 4,182,813,369.68
  5. Step 5: Solve for x
    x = 4,182,813,369.68/73,221.74
  6. Step 6: Final answer
    x = 57,125.29

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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.