Home / 51,198.67-70,654.51-28,539.11

Finding the Fourth Proportional to 51,198.67, 70,654.51 and 28,539.11

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Solution

The fourth proportional to 51,198.67, 70,654.51 and 28,539.11 is: 39,384.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,198.67 : 70,654.51 = 28,539.11 : x
  2. Step 2: Convert to fraction form
    51,198.67/70,654.51 = 28,539.11/x
  3. Step 3: Cross multiply
    51,198.67x = 70,654.51 × 28,539.11
  4. Step 4: Simplify right side
    51,198.67x = 2,016,416,584.90
  5. Step 5: Solve for x
    x = 2,016,416,584.90/51,198.67
  6. Step 6: Final answer
    x = 39,384.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.