Home / 75,296.29-103,911.12-41,761.57

Finding the Fourth Proportional to 75,296.29, 103,911.12 and 41,761.57

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Solution

The fourth proportional to 75,296.29, 103,911.12 and 41,761.57 is: 57,632.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,296.29 : 103,911.12 = 41,761.57 : x
  2. Step 2: Convert to fraction form
    75,296.29/103,911.12 = 41,761.57/x
  3. Step 3: Cross multiply
    75,296.29x = 103,911.12 × 41,761.57
  4. Step 4: Simplify right side
    75,296.29x = 4,339,490,783.29
  5. Step 5: Solve for x
    x = 4,339,490,783.29/75,296.29
  6. Step 6: Final answer
    x = 57,632.20

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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.