Home / 75,499.58-104,190.12-41,508.31

Finding the Fourth Proportional to 75,499.58, 104,190.12 and 41,508.31

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Solution

The fourth proportional to 75,499.58, 104,190.12 and 41,508.31 is: 57,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,499.58 : 104,190.12 = 41,508.31 : x
  2. Step 2: Convert to fraction form
    75,499.58/104,190.12 = 41,508.31/x
  3. Step 3: Cross multiply
    75,499.58x = 104,190.12 × 41,508.31
  4. Step 4: Simplify right side
    75,499.58x = 4,324,755,278.95
  5. Step 5: Solve for x
    x = 4,324,755,278.95/75,499.58
  6. Step 6: Final answer
    x = 57,281.85

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1.5x scale

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.