Home / 90,372.42-124,713.96-50,088.79

Finding the Fourth Proportional to 90,372.42, 124,713.96 and 50,088.79

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Solution

The fourth proportional to 90,372.42, 124,713.96 and 50,088.79 is: 69,122.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.42 : 124,713.96 = 50,088.79 : x
  2. Step 2: Convert to fraction form
    90,372.42/124,713.96 = 50,088.79/x
  3. Step 3: Cross multiply
    90,372.42x = 124,713.96 × 50,088.79
  4. Step 4: Simplify right side
    90,372.42x = 6,246,770,478.49
  5. Step 5: Solve for x
    x = 6,246,770,478.49/90,372.42
  6. Step 6: Final answer
    x = 69,122.53

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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.