Home / 90,535.63-124,933.30-50,249.40

Finding the Fourth Proportional to 90,535.63, 124,933.30 and 50,249.40

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Solution

The fourth proportional to 90,535.63, 124,933.30 and 50,249.40 is: 69,340.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,535.63 : 124,933.30 = 50,249.40 : x
  2. Step 2: Convert to fraction form
    90,535.63/124,933.30 = 50,249.40/x
  3. Step 3: Cross multiply
    90,535.63x = 124,933.30 × 50,249.40
  4. Step 4: Simplify right side
    90,535.63x = 6,277,823,239.40
  5. Step 5: Solve for x
    x = 6,277,823,239.40/90,535.63
  6. Step 6: Final answer
    x = 69,340.91

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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.