Home / 40,666.20-60,992.38-11,077.11

Finding the Fourth Proportional to 40,666.20, 60,992.38 and 11,077.11

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Solution

The fourth proportional to 40,666.20, 60,992.38 and 11,077.11 is: 16,613.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,666.20 : 60,992.38 = 11,077.11 : x
  2. Step 2: Convert to fraction form
    40,666.20/60,992.38 = 11,077.11/x
  3. Step 3: Cross multiply
    40,666.20x = 60,992.38 × 11,077.11
  4. Step 4: Simplify right side
    40,666.20x = 675,619,427.21
  5. Step 5: Solve for x
    x = 675,619,427.21/40,666.20
  6. Step 6: Final answer
    x = 16,613.78

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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.