Home / 80,168.03-110,697.27-51,501.92

Finding the Fourth Proportional to 80,168.03, 110,697.27 and 51,501.92

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Solution

The fourth proportional to 80,168.03, 110,697.27 and 51,501.92 is: 71,114.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,168.03 : 110,697.27 = 51,501.92 : x
  2. Step 2: Convert to fraction form
    80,168.03/110,697.27 = 51,501.92/x
  3. Step 3: Cross multiply
    80,168.03x = 110,697.27 × 51,501.92
  4. Step 4: Simplify right side
    80,168.03x = 5,701,121,390.27
  5. Step 5: Solve for x
    x = 5,701,121,390.27/80,168.03
  6. Step 6: Final answer
    x = 71,114.65

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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.