Home / 108,062.08-162,141.72-68,608.60

Finding the Fourth Proportional to 108,062.08, 162,141.72 and 68,608.60

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Solution

The fourth proportional to 108,062.08, 162,141.72 and 68,608.60 is: 102,943.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,062.08 : 162,141.72 = 68,608.60 : x
  2. Step 2: Convert to fraction form
    108,062.08/162,141.72 = 68,608.60/x
  3. Step 3: Cross multiply
    108,062.08x = 162,141.72 × 68,608.60
  4. Step 4: Simplify right side
    108,062.08x = 11,124,316,410.79
  5. Step 5: Solve for x
    x = 11,124,316,410.79/108,062.08
  6. Step 6: Final answer
    x = 102,943.76

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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.