Home / 92,515.22-138,627.48-71,506.69

Finding the Fourth Proportional to 92,515.22, 138,627.48 and 71,506.69

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Solution

The fourth proportional to 92,515.22, 138,627.48 and 71,506.69 is: 107,147.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,515.22 : 138,627.48 = 71,506.69 : x
  2. Step 2: Convert to fraction form
    92,515.22/138,627.48 = 71,506.69/x
  3. Step 3: Cross multiply
    92,515.22x = 138,627.48 × 71,506.69
  4. Step 4: Simplify right side
    92,515.22x = 9,912,792,237.84
  5. Step 5: Solve for x
    x = 9,912,792,237.84/92,515.22
  6. Step 6: Final answer
    x = 107,147.69

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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.