Home / 108,121.89-162,212.44-52,008.94

Finding the Fourth Proportional to 108,121.89, 162,212.44 and 52,008.94

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Solution

The fourth proportional to 108,121.89, 162,212.44 and 52,008.94 is: 78,027.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,121.89 : 162,212.44 = 52,008.94 : x
  2. Step 2: Convert to fraction form
    108,121.89/162,212.44 = 52,008.94/x
  3. Step 3: Cross multiply
    108,121.89x = 162,212.44 × 52,008.94
  4. Step 4: Simplify right side
    108,121.89x = 8,436,497,059.21
  5. Step 5: Solve for x
    x = 8,436,497,059.21/108,121.89
  6. Step 6: Final answer
    x = 78,027.65

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1.5x scale

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.