Home / 70,236.18-105,305.03-25,857.16

Finding the Fourth Proportional to 70,236.18, 105,305.03 and 25,857.16

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Solution

The fourth proportional to 70,236.18, 105,305.03 and 25,857.16 is: 38,767.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,236.18 : 105,305.03 = 25,857.16 : x
  2. Step 2: Convert to fraction form
    70,236.18/105,305.03 = 25,857.16/x
  3. Step 3: Cross multiply
    70,236.18x = 105,305.03 × 25,857.16
  4. Step 4: Simplify right side
    70,236.18x = 2,722,888,713.93
  5. Step 5: Solve for x
    x = 2,722,888,713.93/70,236.18
  6. Step 6: Final answer
    x = 38,767.61

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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.