Home / 104,600.85-156,813.09-45,391.92

Finding the Fourth Proportional to 104,600.85, 156,813.09 and 45,391.92

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Solution

The fourth proportional to 104,600.85, 156,813.09 and 45,391.92 is: 68,049.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.85 : 156,813.09 = 45,391.92 : x
  2. Step 2: Convert to fraction form
    104,600.85/156,813.09 = 45,391.92/x
  3. Step 3: Cross multiply
    104,600.85x = 156,813.09 × 45,391.92
  4. Step 4: Simplify right side
    104,600.85x = 7,118,047,236.23
  5. Step 5: Solve for x
    x = 7,118,047,236.23/104,600.85
  6. Step 6: Final answer
    x = 68,049.61

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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.