Home / 90,535.50-124,933.14-50,249.28

Finding the Fourth Proportional to 90,535.50, 124,933.14 and 50,249.28

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Solution

The fourth proportional to 90,535.50, 124,933.14 and 50,249.28 is: 69,340.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535.50 : 124,933.14 = 50,249.28 : x
  2. Step 2: Convert to fraction form
    90,535.50/124,933.14 = 50,249.28/x
  3. Step 3: Cross multiply
    90,535.50x = 124,933.14 × 50,249.28
  4. Step 4: Simplify right side
    90,535.50x = 6,277,800,333.14
  5. Step 5: Solve for x
    x = 6,277,800,333.14/90,535.50
  6. Step 6: Final answer
    x = 69,340.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.