Home / 55,110.10-82,665.15-32,991.70

Finding the Fourth Proportional to 55,110.10, 82,665.15 and 32,991.70

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Solution

The fourth proportional to 55,110.10, 82,665.15 and 32,991.70 is: 49,487.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,110.10 : 82,665.15 = 32,991.70 : x
  2. Step 2: Convert to fraction form
    55,110.10/82,665.15 = 32,991.70/x
  3. Step 3: Cross multiply
    55,110.10x = 82,665.15 × 32,991.70
  4. Step 4: Simplify right side
    55,110.10x = 2,727,263,829.26
  5. Step 5: Solve for x
    x = 2,727,263,829.26/55,110.10
  6. Step 6: Final answer
    x = 49,487.55

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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.