Home / 75,660.75-104,411.82-41,668.94

Finding the Fourth Proportional to 75,660.75, 104,411.82 and 41,668.94

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Solution

The fourth proportional to 75,660.75, 104,411.82 and 41,668.94 is: 57,503.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,660.75 : 104,411.82 = 41,668.94 : x
  2. Step 2: Convert to fraction form
    75,660.75/104,411.82 = 41,668.94/x
  3. Step 3: Cross multiply
    75,660.75x = 104,411.82 × 41,668.94
  4. Step 4: Simplify right side
    75,660.75x = 4,350,729,340.81
  5. Step 5: Solve for x
    x = 4,350,729,340.81/75,660.75
  6. Step 6: Final answer
    x = 57,503.12

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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.