Home / 104,139.54-156,104.10-41,003.96

Finding the Fourth Proportional to 104,139.54, 156,104.10 and 41,003.96

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Solution

The fourth proportional to 104,139.54, 156,104.10 and 41,003.96 is: 61,464.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,139.54 : 156,104.10 = 41,003.96 : x
  2. Step 2: Convert to fraction form
    104,139.54/156,104.10 = 41,003.96/x
  3. Step 3: Cross multiply
    104,139.54x = 156,104.10 × 41,003.96
  4. Step 4: Simplify right side
    104,139.54x = 6,400,886,272.24
  5. Step 5: Solve for x
    x = 6,400,886,272.24/104,139.54
  6. Step 6: Final answer
    x = 61,464.51

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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.