Home / 43,342.68-65,016.45-12,175.50

Finding the Fourth Proportional to 43,342.68, 65,016.45 and 12,175.50

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Solution

The fourth proportional to 43,342.68, 65,016.45 and 12,175.50 is: 18,263.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,342.68 : 65,016.45 = 12,175.50 : x
  2. Step 2: Convert to fraction form
    43,342.68/65,016.45 = 12,175.50/x
  3. Step 3: Cross multiply
    43,342.68x = 65,016.45 × 12,175.50
  4. Step 4: Simplify right side
    43,342.68x = 791,607,786.98
  5. Step 5: Solve for x
    x = 791,607,786.98/43,342.68
  6. Step 6: Final answer
    x = 18,263.93

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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.