Home / 92,513.22-138,624.48-71,504.69

Finding the Fourth Proportional to 92,513.22, 138,624.48 and 71,504.69

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Solution

The fourth proportional to 92,513.22, 138,624.48 and 71,504.69 is: 107,144.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,513.22 : 138,624.48 = 71,504.69 : x
  2. Step 2: Convert to fraction form
    92,513.22/138,624.48 = 71,504.69/x
  3. Step 3: Cross multiply
    92,513.22x = 138,624.48 × 71,504.69
  4. Step 4: Simplify right side
    92,513.22x = 9,912,299,775.69
  5. Step 5: Solve for x
    x = 9,912,299,775.69/92,513.22
  6. Step 6: Final answer
    x = 107,144.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.