Home / 104,128.08-156,198.96-41,790.48

Finding the Fourth Proportional to 104,128.08, 156,198.96 and 41,790.48

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Solution

The fourth proportional to 104,128.08, 156,198.96 and 41,790.48 is: 62,688.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,128.08 : 156,198.96 = 41,790.48 : x
  2. Step 2: Convert to fraction form
    104,128.08/156,198.96 = 41,790.48/x
  3. Step 3: Cross multiply
    104,128.08x = 156,198.96 × 41,790.48
  4. Step 4: Simplify right side
    104,128.08x = 6,527,629,513.90
  5. Step 5: Solve for x
    x = 6,527,629,513.90/104,128.08
  6. Step 6: Final answer
    x = 62,688.47

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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.