Home / 108,548.14-162,541.80-74,917.96

Finding the Fourth Proportional to 108,548.14, 162,541.80 and 74,917.96

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Solution

The fourth proportional to 108,548.14, 162,541.80 and 74,917.96 is: 112,183.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,548.14 : 162,541.80 = 74,917.96 : x
  2. Step 2: Convert to fraction form
    108,548.14/162,541.80 = 74,917.96/x
  3. Step 3: Cross multiply
    108,548.14x = 162,541.80 × 74,917.96
  4. Step 4: Simplify right side
    108,548.14x = 12,177,300,070.73
  5. Step 5: Solve for x
    x = 12,177,300,070.73/108,548.14
  6. Step 6: Final answer
    x = 112,183.41

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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.