Home / 92,156.42-138,229.77-45,393.50

Finding the Fourth Proportional to 92,156.42, 138,229.77 and 45,393.50

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Solution

The fourth proportional to 92,156.42, 138,229.77 and 45,393.50 is: 68,087.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,156.42 : 138,229.77 = 45,393.50 : x
  2. Step 2: Convert to fraction form
    92,156.42/138,229.77 = 45,393.50/x
  3. Step 3: Cross multiply
    92,156.42x = 138,229.77 × 45,393.50
  4. Step 4: Simplify right side
    92,156.42x = 6,274,733,064.50
  5. Step 5: Solve for x
    x = 6,274,733,064.50/92,156.42
  6. Step 6: Final answer
    x = 68,087.86

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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.