Home / 90,372.56-124,684.26-54,548.96

Finding the Fourth Proportional to 90,372.56, 124,684.26 and 54,548.96

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Solution

The fourth proportional to 90,372.56, 124,684.26 and 54,548.96 is: 75,259.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,372.56 : 124,684.26 = 54,548.96 : x
  2. Step 2: Convert to fraction form
    90,372.56/124,684.26 = 54,548.96/x
  3. Step 3: Cross multiply
    90,372.56x = 124,684.26 × 54,548.96
  4. Step 4: Simplify right side
    90,372.56x = 6,801,396,711.37
  5. Step 5: Solve for x
    x = 6,801,396,711.37/90,372.56
  6. Step 6: Final answer
    x = 75,259.53

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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.