Home / 75,670.74-104,426.32-41,679.35

Finding the Fourth Proportional to 75,670.74, 104,426.32 and 41,679.35

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Solution

The fourth proportional to 75,670.74, 104,426.32 and 41,679.35 is: 57,517.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,670.74 : 104,426.32 = 41,679.35 : x
  2. Step 2: Convert to fraction form
    75,670.74/104,426.32 = 41,679.35/x
  3. Step 3: Cross multiply
    75,670.74x = 104,426.32 × 41,679.35
  4. Step 4: Simplify right side
    75,670.74x = 4,352,420,514.16
  5. Step 5: Solve for x
    x = 4,352,420,514.16/75,670.74
  6. Step 6: Final answer
    x = 57,517.88

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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.