Home / 90,447.72-124,817.36-50,167.44

Finding the Fourth Proportional to 90,447.72, 124,817.36 and 50,167.44

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Solution

The fourth proportional to 90,447.72, 124,817.36 and 50,167.44 is: 69,230.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,447.72 : 124,817.36 = 50,167.44 : x
  2. Step 2: Convert to fraction form
    90,447.72/124,817.36 = 50,167.44/x
  3. Step 3: Cross multiply
    90,447.72x = 124,817.36 × 50,167.44
  4. Step 4: Simplify right side
    90,447.72x = 6,261,767,167.92
  5. Step 5: Solve for x
    x = 6,261,767,167.92/90,447.72
  6. Step 6: Final answer
    x = 69,230.79

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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.