Home / 75,770.42-104,563.92-41,780.15

Finding the Fourth Proportional to 75,770.42, 104,563.92 and 41,780.15

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Solution

The fourth proportional to 75,770.42, 104,563.92 and 41,780.15 is: 57,657.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,770.42 : 104,563.92 = 41,780.15 : x
  2. Step 2: Convert to fraction form
    75,770.42/104,563.92 = 41,780.15/x
  3. Step 3: Cross multiply
    75,770.42x = 104,563.92 × 41,780.15
  4. Step 4: Simplify right side
    75,770.42x = 4,368,695,739.37
  5. Step 5: Solve for x
    x = 4,368,695,739.37/75,770.42
  6. Step 6: Final answer
    x = 57,657.01

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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.