Home / 108,584.87-162,836.29-52,406.30

Finding the Fourth Proportional to 108,584.87, 162,836.29 and 52,406.30

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Solution

The fourth proportional to 108,584.87, 162,836.29 and 52,406.30 is: 78,589.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,584.87 : 162,836.29 = 52,406.30 : x
  2. Step 2: Convert to fraction form
    108,584.87/162,836.29 = 52,406.30/x
  3. Step 3: Cross multiply
    108,584.87x = 162,836.29 × 52,406.30
  4. Step 4: Simplify right side
    108,584.87x = 8,533,647,937.23
  5. Step 5: Solve for x
    x = 8,533,647,937.23/108,584.87
  6. Step 6: Final answer
    x = 78,589.66

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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.