Home / 90,427.26-124,789.01-50,141.01

Finding the Fourth Proportional to 90,427.26, 124,789.01 and 50,141.01

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Solution

The fourth proportional to 90,427.26, 124,789.01 and 50,141.01 is: 69,194.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,427.26 : 124,789.01 = 50,141.01 : x
  2. Step 2: Convert to fraction form
    90,427.26/124,789.01 = 50,141.01/x
  3. Step 3: Cross multiply
    90,427.26x = 124,789.01 × 50,141.01
  4. Step 4: Simplify right side
    90,427.26x = 6,257,046,747.60
  5. Step 5: Solve for x
    x = 6,257,046,747.60/90,427.26
  6. Step 6: Final answer
    x = 69,194.25

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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.