Home / 90,504.74-124,911.45-50,231.48

Finding the Fourth Proportional to 90,504.74, 124,911.45 and 50,231.48

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Solution

The fourth proportional to 90,504.74, 124,911.45 and 50,231.48 is: 69,327.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,504.74 : 124,911.45 = 50,231.48 : x
  2. Step 2: Convert to fraction form
    90,504.74/124,911.45 = 50,231.48/x
  3. Step 3: Cross multiply
    90,504.74x = 124,911.45 × 50,231.48
  4. Step 4: Simplify right side
    90,504.74x = 6,274,486,377.89
  5. Step 5: Solve for x
    x = 6,274,486,377.89/90,504.74
  6. Step 6: Final answer
    x = 69,327.71

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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.