Home / 43,380.15-65,063.80-11,792.04

Finding the Fourth Proportional to 43,380.15, 65,063.80 and 11,792.04

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Solution

The fourth proportional to 43,380.15, 65,063.80 and 11,792.04 is: 17,686.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,380.15 : 65,063.80 = 11,792.04 : x
  2. Step 2: Convert to fraction form
    43,380.15/65,063.80 = 11,792.04/x
  3. Step 3: Cross multiply
    43,380.15x = 65,063.80 × 11,792.04
  4. Step 4: Simplify right side
    43,380.15x = 767,234,932.15
  5. Step 5: Solve for x
    x = 767,234,932.15/43,380.15
  6. Step 6: Final answer
    x = 17,686.31

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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.