Home / 75,372.75-104,015.61-41,838.75

Finding the Fourth Proportional to 75,372.75, 104,015.61 and 41,838.75

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Solution

The fourth proportional to 75,372.75, 104,015.61 and 41,838.75 is: 57,738.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,372.75 : 104,015.61 = 41,838.75 : x
  2. Step 2: Convert to fraction form
    75,372.75/104,015.61 = 41,838.75/x
  3. Step 3: Cross multiply
    75,372.75x = 104,015.61 × 41,838.75
  4. Step 4: Simplify right side
    75,372.75x = 4,351,883,102.89
  5. Step 5: Solve for x
    x = 4,351,883,102.89/75,372.75
  6. Step 6: Final answer
    x = 57,738.15

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1.5x scale

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.