Home / 90,472.96-124,853.44-50,189.34

Finding the Fourth Proportional to 90,472.96, 124,853.44 and 50,189.34

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Solution

The fourth proportional to 90,472.96, 124,853.44 and 50,189.34 is: 69,261.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,472.96 : 124,853.44 = 50,189.34 : x
  2. Step 2: Convert to fraction form
    90,472.96/124,853.44 = 50,189.34/x
  3. Step 3: Cross multiply
    90,472.96x = 124,853.44 × 50,189.34
  4. Step 4: Simplify right side
    90,472.96x = 6,266,311,750.33
  5. Step 5: Solve for x
    x = 6,266,311,750.33/90,472.96
  6. Step 6: Final answer
    x = 69,261.71

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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.