Home / 75,076.56-112,760.64-55,276.92

Finding the Fourth Proportional to 75,076.56, 112,760.64 and 55,276.92

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Solution

The fourth proportional to 75,076.56, 112,760.64 and 55,276.92 is: 83,022.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,076.56 : 112,760.64 = 55,276.92 : x
  2. Step 2: Convert to fraction form
    75,076.56/112,760.64 = 55,276.92/x
  3. Step 3: Cross multiply
    75,076.56x = 112,760.64 × 55,276.92
  4. Step 4: Simplify right side
    75,076.56x = 6,233,060,876.43
  5. Step 5: Solve for x
    x = 6,233,060,876.43/75,076.56
  6. Step 6: Final answer
    x = 83,022.73

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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.