Home / 71,134.08-106,615.89-33,132.12

Finding the Fourth Proportional to 71,134.08, 106,615.89 and 33,132.12

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Solution

The fourth proportional to 71,134.08, 106,615.89 and 33,132.12 is: 49,658.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,134.08 : 106,615.89 = 33,132.12 : x
  2. Step 2: Convert to fraction form
    71,134.08/106,615.89 = 33,132.12/x
  3. Step 3: Cross multiply
    71,134.08x = 106,615.89 × 33,132.12
  4. Step 4: Simplify right side
    71,134.08x = 3,532,410,461.39
  5. Step 5: Solve for x
    x = 3,532,410,461.39/71,134.08
  6. Step 6: Final answer
    x = 49,658.48

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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.