Home / 90,614.05-125,047.53-50,326.79

Finding the Fourth Proportional to 90,614.05, 125,047.53 and 50,326.79

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Solution

The fourth proportional to 90,614.05, 125,047.53 and 50,326.79 is: 69,451.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,614.05 : 125,047.53 = 50,326.79 : x
  2. Step 2: Convert to fraction form
    90,614.05/125,047.53 = 50,326.79/x
  3. Step 3: Cross multiply
    90,614.05x = 125,047.53 × 50,326.79
  4. Step 4: Simplify right side
    90,614.05x = 6,293,240,157.09
  5. Step 5: Solve for x
    x = 6,293,240,157.09/90,614.05
  6. Step 6: Final answer
    x = 69,451.04

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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.