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Finding the Fourth Proportional to 73,305.81, 109,951.43 and 33,862.35

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Solution

The fourth proportional to 73,305.81, 109,951.43 and 33,862.35 is: 50,790.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,305.81 : 109,951.43 = 33,862.35 : x
  2. Step 2: Convert to fraction form
    73,305.81/109,951.43 = 33,862.35/x
  3. Step 3: Cross multiply
    73,305.81x = 109,951.43 × 33,862.35
  4. Step 4: Simplify right side
    73,305.81x = 3,723,214,048.67
  5. Step 5: Solve for x
    x = 3,723,214,048.67/73,305.81
  6. Step 6: Final answer
    x = 50,790.16

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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.