Home / 53,609.45-80,312.67-35,786.36

Finding the Fourth Proportional to 53,609.45, 80,312.67 and 35,786.36

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Solution

The fourth proportional to 53,609.45, 80,312.67 and 35,786.36 is: 53,611.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,609.45 : 80,312.67 = 35,786.36 : x
  2. Step 2: Convert to fraction form
    53,609.45/80,312.67 = 35,786.36/x
  3. Step 3: Cross multiply
    53,609.45x = 80,312.67 × 35,786.36
  4. Step 4: Simplify right side
    53,609.45x = 2,874,098,321.96
  5. Step 5: Solve for x
    x = 2,874,098,321.96/53,609.45
  6. Step 6: Final answer
    x = 53,611.78

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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.