Home / 80,176.20-110,628.24-51,501

Finding the Fourth Proportional to 80,176.20, 110,628.24 and 51,501

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Solution

The fourth proportional to 80,176.20, 110,628.24 and 51,501 is: 71,061.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,176.20 : 110,628.24 = 51,501 : x
  2. Step 2: Convert to fraction form
    80,176.20/110,628.24 = 51,501/x
  3. Step 3: Cross multiply
    80,176.20x = 110,628.24 × 51,501
  4. Step 4: Simplify right side
    80,176.20x = 5,697,464,988.24
  5. Step 5: Solve for x
    x = 5,697,464,988.24/80,176.20
  6. Step 6: Final answer
    x = 71,061.80

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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.