Home / 76,487.06-114,661.47-27,227.54

Finding the Fourth Proportional to 76,487.06, 114,661.47 and 27,227.54

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Solution

The fourth proportional to 76,487.06, 114,661.47 and 27,227.54 is: 40,816.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,487.06 : 114,661.47 = 27,227.54 : x
  2. Step 2: Convert to fraction form
    76,487.06/114,661.47 = 27,227.54/x
  3. Step 3: Cross multiply
    76,487.06x = 114,661.47 × 27,227.54
  4. Step 4: Simplify right side
    76,487.06x = 3,121,949,760.88
  5. Step 5: Solve for x
    x = 3,121,949,760.88/76,487.06
  6. Step 6: Final answer
    x = 40,816.70

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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.