Home / 43,706.20-65,565.78-14,118.52

Finding the Fourth Proportional to 43,706.20, 65,565.78 and 14,118.52

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Solution

The fourth proportional to 43,706.20, 65,565.78 and 14,118.52 is: 21,179.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,706.20 : 65,565.78 = 14,118.52 : x
  2. Step 2: Convert to fraction form
    43,706.20/65,565.78 = 14,118.52/x
  3. Step 3: Cross multiply
    43,706.20x = 65,565.78 × 14,118.52
  4. Step 4: Simplify right side
    43,706.20x = 925,691,776.25
  5. Step 5: Solve for x
    x = 925,691,776.25/43,706.20
  6. Step 6: Final answer
    x = 21,179.87

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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.