Home / 75,116.57-103,660.91-41,127.26

Finding the Fourth Proportional to 75,116.57, 103,660.91 and 41,127.26

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Solution

The fourth proportional to 75,116.57, 103,660.91 and 41,127.26 is: 56,755.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,116.57 : 103,660.91 = 41,127.26 : x
  2. Step 2: Convert to fraction form
    75,116.57/103,660.91 = 41,127.26/x
  3. Step 3: Cross multiply
    75,116.57x = 103,660.91 × 41,127.26
  4. Step 4: Simplify right side
    75,116.57x = 4,263,288,473.47
  5. Step 5: Solve for x
    x = 4,263,288,473.47/75,116.57
  6. Step 6: Final answer
    x = 56,755.64

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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.