Home / 76,965.38-115,465.38-27,048.92

Finding the Fourth Proportional to 76,965.38, 115,465.38 and 27,048.92

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Solution

The fourth proportional to 76,965.38, 115,465.38 and 27,048.92 is: 40,579.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,965.38 : 115,465.38 = 27,048.92 : x
  2. Step 2: Convert to fraction form
    76,965.38/115,465.38 = 27,048.92/x
  3. Step 3: Cross multiply
    76,965.38x = 115,465.38 × 27,048.92
  4. Step 4: Simplify right side
    76,965.38x = 3,123,213,826.39
  5. Step 5: Solve for x
    x = 3,123,213,826.39/76,965.38
  6. Step 6: Final answer
    x = 40,579.46

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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.