Home / 69,447.15-104,170.77-16,856.68

Finding the Fourth Proportional to 69,447.15, 104,170.77 and 16,856.68

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Solution

The fourth proportional to 69,447.15, 104,170.77 and 16,856.68 is: 25,285.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,447.15 : 104,170.77 = 16,856.68 : x
  2. Step 2: Convert to fraction form
    69,447.15/104,170.77 = 16,856.68/x
  3. Step 3: Cross multiply
    69,447.15x = 104,170.77 × 16,856.68
  4. Step 4: Simplify right side
    69,447.15x = 1,755,973,335.24
  5. Step 5: Solve for x
    x = 1,755,973,335.24/69,447.15
  6. Step 6: Final answer
    x = 25,285.03

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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.