Home / 108,662.55-162,993.83-74,836.95

Finding the Fourth Proportional to 108,662.55, 162,993.83 and 74,836.95

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Solution

The fourth proportional to 108,662.55, 162,993.83 and 74,836.95 is: 112,255.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,662.55 : 162,993.83 = 74,836.95 : x
  2. Step 2: Convert to fraction form
    108,662.55/162,993.83 = 74,836.95/x
  3. Step 3: Cross multiply
    108,662.55x = 162,993.83 × 74,836.95
  4. Step 4: Simplify right side
    108,662.55x = 12,197,960,731.83
  5. Step 5: Solve for x
    x = 12,197,960,731.83/108,662.55
  6. Step 6: Final answer
    x = 112,255.43

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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.