Home / 55,129.20-82,701.48-17,680.46

Finding the Fourth Proportional to 55,129.20, 82,701.48 and 17,680.46

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Solution

The fourth proportional to 55,129.20, 82,701.48 and 17,680.46 is: 26,523.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,129.20 : 82,701.48 = 17,680.46 : x
  2. Step 2: Convert to fraction form
    55,129.20/82,701.48 = 17,680.46/x
  3. Step 3: Cross multiply
    55,129.20x = 82,701.48 × 17,680.46
  4. Step 4: Simplify right side
    55,129.20x = 1,462,200,209.08
  5. Step 5: Solve for x
    x = 1,462,200,209.08/55,129.20
  6. Step 6: Final answer
    x = 26,523.15

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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.