Home / 76,777.92-114,920.64-41,150.34

Finding the Fourth Proportional to 76,777.92, 114,920.64 and 41,150.34

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Solution

The fourth proportional to 76,777.92, 114,920.64 and 41,150.34 is: 61,593.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,777.92 : 114,920.64 = 41,150.34 : x
  2. Step 2: Convert to fraction form
    76,777.92/114,920.64 = 41,150.34/x
  3. Step 3: Cross multiply
    76,777.92x = 114,920.64 × 41,150.34
  4. Step 4: Simplify right side
    76,777.92x = 4,729,023,409.02
  5. Step 5: Solve for x
    x = 4,729,023,409.02/76,777.92
  6. Step 6: Final answer
    x = 61,593.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.