Home / 92,512.44-138,790.74-30,183

Finding the Fourth Proportional to 92,512.44, 138,790.74 and 30,183

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Solution

The fourth proportional to 92,512.44, 138,790.74 and 30,183 is: 45,281.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    92,512.44 : 138,790.74 = 30,183 : x
  2. Step 2: Convert to fraction form
    92,512.44/138,790.74 = 30,183/x
  3. Step 3: Cross multiply
    92,512.44x = 138,790.74 × 30,183
  4. Step 4: Simplify right side
    92,512.44x = 4,189,120,905.42
  5. Step 5: Solve for x
    x = 4,189,120,905.42/92,512.44
  6. Step 6: Final answer
    x = 45,281.70

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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.