Home / 62,138.23-85,761.88-36,643.05

Finding the Fourth Proportional to 62,138.23, 85,761.88 and 36,643.05

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Solution

The fourth proportional to 62,138.23, 85,761.88 and 36,643.05 is: 50,573.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,138.23 : 85,761.88 = 36,643.05 : x
  2. Step 2: Convert to fraction form
    62,138.23/85,761.88 = 36,643.05/x
  3. Step 3: Cross multiply
    62,138.23x = 85,761.88 × 36,643.05
  4. Step 4: Simplify right side
    62,138.23x = 3,142,576,765.33
  5. Step 5: Solve for x
    x = 3,142,576,765.33/62,138.23
  6. Step 6: Final answer
    x = 50,573.97

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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.