Home / 108,731.20-162,895.20-61,844.80

Finding the Fourth Proportional to 108,731.20, 162,895.20 and 61,844.80

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Solution

The fourth proportional to 108,731.20, 162,895.20 and 61,844.80 is: 92,652.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,731.20 : 162,895.20 = 61,844.80 : x
  2. Step 2: Convert to fraction form
    108,731.20/162,895.20 = 61,844.80/x
  3. Step 3: Cross multiply
    108,731.20x = 162,895.20 × 61,844.80
  4. Step 4: Simplify right side
    108,731.20x = 10,074,221,064.96
  5. Step 5: Solve for x
    x = 10,074,221,064.96/108,731.20
  6. Step 6: Final answer
    x = 92,652.53

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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.