Home / 80,945.04-111,722.04-52,601.52

Finding the Fourth Proportional to 80,945.04, 111,722.04 and 52,601.52

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Solution

The fourth proportional to 80,945.04, 111,722.04 and 52,601.52 is: 72,601.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,945.04 : 111,722.04 = 52,601.52 : x
  2. Step 2: Convert to fraction form
    80,945.04/111,722.04 = 52,601.52/x
  3. Step 3: Cross multiply
    80,945.04x = 111,722.04 × 52,601.52
  4. Step 4: Simplify right side
    80,945.04x = 5,876,749,121.50
  5. Step 5: Solve for x
    x = 5,876,749,121.50/80,945.04
  6. Step 6: Final answer
    x = 72,601.72

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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.