Home / 43,392.15-65,125.22-17,115.35

Finding the Fourth Proportional to 43,392.15, 65,125.22 and 17,115.35

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Solution

The fourth proportional to 43,392.15, 65,125.22 and 17,115.35 is: 25,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,392.15 : 65,125.22 = 17,115.35 : x
  2. Step 2: Convert to fraction form
    43,392.15/65,125.22 = 17,115.35/x
  3. Step 3: Cross multiply
    43,392.15x = 65,125.22 × 17,115.35
  4. Step 4: Simplify right side
    43,392.15x = 1,114,640,767.14
  5. Step 5: Solve for x
    x = 1,114,640,767.14/43,392.15
  6. Step 6: Final answer
    x = 25,687.61

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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.