Home / 92,087.75-138,131.62-60,915.71

Finding the Fourth Proportional to 92,087.75, 138,131.62 and 60,915.71

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Solution

The fourth proportional to 92,087.75, 138,131.62 and 60,915.71 is: 91,373.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,087.75 : 138,131.62 = 60,915.71 : x
  2. Step 2: Convert to fraction form
    92,087.75/138,131.62 = 60,915.71/x
  3. Step 3: Cross multiply
    92,087.75x = 138,131.62 × 60,915.71
  4. Step 4: Simplify right side
    92,087.75x = 8,414,384,862.80
  5. Step 5: Solve for x
    x = 8,414,384,862.80/92,087.75
  6. Step 6: Final answer
    x = 91,373.56

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1.5x scale

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.