Home / 108,025.74-161,940.09-37,866.78

Finding the Fourth Proportional to 108,025.74, 161,940.09 and 37,866.78

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Solution

The fourth proportional to 108,025.74, 161,940.09 and 37,866.78 is: 56,765.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,025.74 : 161,940.09 = 37,866.78 : x
  2. Step 2: Convert to fraction form
    108,025.74/161,940.09 = 37,866.78/x
  3. Step 3: Cross multiply
    108,025.74x = 161,940.09 × 37,866.78
  4. Step 4: Simplify right side
    108,025.74x = 6,132,149,761.21
  5. Step 5: Solve for x
    x = 6,132,149,761.21/108,025.74
  6. Step 6: Final answer
    x = 56,765.64

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1.5x scale

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.