Home / 55,270.10-82,917.30-17,823.80

Finding the Fourth Proportional to 55,270.10, 82,917.30 and 17,823.80

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Solution

The fourth proportional to 55,270.10, 82,917.30 and 17,823.80 is: 26,739.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,270.10 : 82,917.30 = 17,823.80 : x
  2. Step 2: Convert to fraction form
    55,270.10/82,917.30 = 17,823.80/x
  3. Step 3: Cross multiply
    55,270.10x = 82,917.30 × 17,823.80
  4. Step 4: Simplify right side
    55,270.10x = 1,477,901,371.74
  5. Step 5: Solve for x
    x = 1,477,901,371.74/55,270.10
  6. Step 6: Final answer
    x = 26,739.62

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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.