Home / 108,037.80-161,850.15-58,101.30

Finding the Fourth Proportional to 108,037.80, 161,850.15 and 58,101.30

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Solution

The fourth proportional to 108,037.80, 161,850.15 and 58,101.30 is: 87,040.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,037.80 : 161,850.15 = 58,101.30 : x
  2. Step 2: Convert to fraction form
    108,037.80/161,850.15 = 58,101.30/x
  3. Step 3: Cross multiply
    108,037.80x = 161,850.15 × 58,101.30
  4. Step 4: Simplify right side
    108,037.80x = 9,403,704,120.20
  5. Step 5: Solve for x
    x = 9,403,704,120.20/108,037.80
  6. Step 6: Final answer
    x = 87,040.87

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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.