Home / 80,748.30-121,090.02-33,370.66

Finding the Fourth Proportional to 80,748.30, 121,090.02 and 33,370.66

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Solution

The fourth proportional to 80,748.30, 121,090.02 and 33,370.66 is: 50,042.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,748.30 : 121,090.02 = 33,370.66 : x
  2. Step 2: Convert to fraction form
    80,748.30/121,090.02 = 33,370.66/x
  3. Step 3: Cross multiply
    80,748.30x = 121,090.02 × 33,370.66
  4. Step 4: Simplify right side
    80,748.30x = 4,040,853,886.81
  5. Step 5: Solve for x
    x = 4,040,853,886.81/80,748.30
  6. Step 6: Final answer
    x = 50,042.59

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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.