Home / 108,040.60-161,987.10-48,844

Finding the Fourth Proportional to 108,040.60, 161,987.10 and 48,844

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Solution

The fourth proportional to 108,040.60, 161,987.10 and 48,844 is: 73,232.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,040.60 : 161,987.10 = 48,844 : x
  2. Step 2: Convert to fraction form
    108,040.60/161,987.10 = 48,844/x
  3. Step 3: Cross multiply
    108,040.60x = 161,987.10 × 48,844
  4. Step 4: Simplify right side
    108,040.60x = 7,912,097,912.40
  5. Step 5: Solve for x
    x = 7,912,097,912.40/108,040.60
  6. Step 6: Final answer
    x = 73,232.64

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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.