Home / 75,731.20-104,504.79-41,739.59

Finding the Fourth Proportional to 75,731.20, 104,504.79 and 41,739.59

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Solution

The fourth proportional to 75,731.20, 104,504.79 and 41,739.59 is: 57,598.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,731.20 : 104,504.79 = 41,739.59 : x
  2. Step 2: Convert to fraction form
    75,731.20/104,504.79 = 41,739.59/x
  3. Step 3: Cross multiply
    75,731.20x = 104,504.79 × 41,739.59
  4. Step 4: Simplify right side
    75,731.20x = 4,361,986,565.11
  5. Step 5: Solve for x
    x = 4,361,986,565.11/75,731.20
  6. Step 6: Final answer
    x = 57,598.28

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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.