Home / 75,778.74-104,569.79-41,787.36

Finding the Fourth Proportional to 75,778.74, 104,569.79 and 41,787.36

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Solution

The fourth proportional to 75,778.74, 104,569.79 and 41,787.36 is: 57,663.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,778.74 : 104,569.79 = 41,787.36 : x
  2. Step 2: Convert to fraction form
    75,778.74/104,569.79 = 41,787.36/x
  3. Step 3: Cross multiply
    75,778.74x = 104,569.79 × 41,787.36
  4. Step 4: Simplify right side
    75,778.74x = 4,369,695,250.92
  5. Step 5: Solve for x
    x = 4,369,695,250.92/75,778.74
  6. Step 6: Final answer
    x = 57,663.87

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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.