Home / 102,092.46-153,115.20-38,919.75

Finding the Fourth Proportional to 102,092.46, 153,115.20 and 38,919.75

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Solution

The fourth proportional to 102,092.46, 153,115.20 and 38,919.75 is: 58,370.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    102,092.46 : 153,115.20 = 38,919.75 : x
  2. Step 2: Convert to fraction form
    102,092.46/153,115.20 = 38,919.75/x
  3. Step 3: Cross multiply
    102,092.46x = 153,115.20 × 38,919.75
  4. Step 4: Simplify right side
    102,092.46x = 5,959,205,305.20
  5. Step 5: Solve for x
    x = 5,959,205,305.20/102,092.46
  6. Step 6: Final answer
    x = 58,370.67

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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.