Home / 75,178.26-103,744.74-41,186.43

Finding the Fourth Proportional to 75,178.26, 103,744.74 and 41,186.43

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Solution

The fourth proportional to 75,178.26, 103,744.74 and 41,186.43 is: 56,836.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,178.26 : 103,744.74 = 41,186.43 : x
  2. Step 2: Convert to fraction form
    75,178.26/103,744.74 = 41,186.43/x
  3. Step 3: Cross multiply
    75,178.26x = 103,744.74 × 41,186.43
  4. Step 4: Simplify right side
    75,178.26x = 4,272,875,471.88
  5. Step 5: Solve for x
    x = 4,272,875,471.88/75,178.26
  6. Step 6: Final answer
    x = 56,836.58

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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.