Home / 90,517.86-124,914.98-50,237.42

Finding the Fourth Proportional to 90,517.86, 124,914.98 and 50,237.42

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Solution

The fourth proportional to 90,517.86, 124,914.98 and 50,237.42 is: 69,327.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,517.86 : 124,914.98 = 50,237.42 : x
  2. Step 2: Convert to fraction form
    90,517.86/124,914.98 = 50,237.42/x
  3. Step 3: Cross multiply
    90,517.86x = 124,914.98 × 50,237.42
  4. Step 4: Simplify right side
    90,517.86x = 6,275,405,438.79
  5. Step 5: Solve for x
    x = 6,275,405,438.79/90,517.86
  6. Step 6: Final answer
    x = 69,327.81

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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.