Home / 75,086.56-112,775.64-55,286.92

Finding the Fourth Proportional to 75,086.56, 112,775.64 and 55,286.92

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Solution

The fourth proportional to 75,086.56, 112,775.64 and 55,286.92 is: 83,037.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,086.56 : 112,775.64 = 55,286.92 : x
  2. Step 2: Convert to fraction form
    75,086.56/112,775.64 = 55,286.92/x
  3. Step 3: Cross multiply
    75,086.56x = 112,775.64 × 55,286.92
  4. Step 4: Simplify right side
    75,086.56x = 6,235,017,786.63
  5. Step 5: Solve for x
    x = 6,235,017,786.63/75,086.56
  6. Step 6: Final answer
    x = 83,037.73

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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.