Home / 90,408.88-124,759.61-50,122.22

Finding the Fourth Proportional to 90,408.88, 124,759.61 and 50,122.22

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Solution

The fourth proportional to 90,408.88, 124,759.61 and 50,122.22 is: 69,166.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,408.88 : 124,759.61 = 50,122.22 : x
  2. Step 2: Convert to fraction form
    90,408.88/124,759.61 = 50,122.22/x
  3. Step 3: Cross multiply
    90,408.88x = 124,759.61 × 50,122.22
  4. Step 4: Simplify right side
    90,408.88x = 6,253,227,933.08
  5. Step 5: Solve for x
    x = 6,253,227,933.08/90,408.88
  6. Step 6: Final answer
    x = 69,166.08

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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.