Home / 75,761.40-104,545.92-41,768.03

Finding the Fourth Proportional to 75,761.40, 104,545.92 and 41,768.03

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Solution

The fourth proportional to 75,761.40, 104,545.92 and 41,768.03 is: 57,637.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,761.40 : 104,545.92 = 41,768.03 : x
  2. Step 2: Convert to fraction form
    75,761.40/104,545.92 = 41,768.03/x
  3. Step 3: Cross multiply
    75,761.40x = 104,545.92 × 41,768.03
  4. Step 4: Simplify right side
    75,761.40x = 4,366,677,122.94
  5. Step 5: Solve for x
    x = 4,366,677,122.94/75,761.40
  6. Step 6: Final answer
    x = 57,637.23

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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.