Home / 75,768.92-104,561.84-41,778.76

Finding the Fourth Proportional to 75,768.92, 104,561.84 and 41,778.76

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Solution

The fourth proportional to 75,768.92, 104,561.84 and 41,778.76 is: 57,655.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,768.92 : 104,561.84 = 41,778.76 : x
  2. Step 2: Convert to fraction form
    75,768.92/104,561.84 = 41,778.76/x
  3. Step 3: Cross multiply
    75,768.92x = 104,561.84 × 41,778.76
  4. Step 4: Simplify right side
    75,768.92x = 4,368,464,116.69
  5. Step 5: Solve for x
    x = 4,368,464,116.69/75,768.92
  6. Step 6: Final answer
    x = 57,655.09

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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.