Home / 75,705.53-104,472.25-41,717.15

Finding the Fourth Proportional to 75,705.53, 104,472.25 and 41,717.15

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Solution

The fourth proportional to 75,705.53, 104,472.25 and 41,717.15 is: 57,568.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,705.53 : 104,472.25 = 41,717.15 : x
  2. Step 2: Convert to fraction form
    75,705.53/104,472.25 = 41,717.15/x
  3. Step 3: Cross multiply
    75,705.53x = 104,472.25 × 41,717.15
  4. Step 4: Simplify right side
    75,705.53x = 4,358,284,289.20
  5. Step 5: Solve for x
    x = 4,358,284,289.20/75,705.53
  6. Step 6: Final answer
    x = 57,568.91

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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.