Home / 108,328.68-162,394.60-49,132.06

Finding the Fourth Proportional to 108,328.68, 162,394.60 and 49,132.06

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Solution

The fourth proportional to 108,328.68, 162,394.60 and 49,132.06 is: 73,653.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,328.68 : 162,394.60 = 49,132.06 : x
  2. Step 2: Convert to fraction form
    108,328.68/162,394.60 = 49,132.06/x
  3. Step 3: Cross multiply
    108,328.68x = 162,394.60 × 49,132.06
  4. Step 4: Simplify right side
    108,328.68x = 7,978,781,230.88
  5. Step 5: Solve for x
    x = 7,978,781,230.88/108,328.68
  6. Step 6: Final answer
    x = 73,653.45

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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.