Home / 108,447.48-162,377.60-76,727.07

Finding the Fourth Proportional to 108,447.48, 162,377.60 and 76,727.07

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Solution

The fourth proportional to 108,447.48, 162,377.60 and 76,727.07 is: 114,882.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,447.48 : 162,377.60 = 76,727.07 : x
  2. Step 2: Convert to fraction form
    108,447.48/162,377.60 = 76,727.07/x
  3. Step 3: Cross multiply
    108,447.48x = 162,377.60 × 76,727.07
  4. Step 4: Simplify right side
    108,447.48x = 12,458,757,098.00
  5. Step 5: Solve for x
    x = 12,458,757,098.00/108,447.48
  6. Step 6: Final answer
    x = 114,882.86

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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.