Home / 108,213.78-162,353.38-52,037.94

Finding the Fourth Proportional to 108,213.78, 162,353.38 and 52,037.94

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Solution

The fourth proportional to 108,213.78, 162,353.38 and 52,037.94 is: 78,072.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,213.78 : 162,353.38 = 52,037.94 : x
  2. Step 2: Convert to fraction form
    108,213.78/162,353.38 = 52,037.94/x
  3. Step 3: Cross multiply
    108,213.78x = 162,353.38 × 52,037.94
  4. Step 4: Simplify right side
    108,213.78x = 8,448,535,447.24
  5. Step 5: Solve for x
    x = 8,448,535,447.24/108,213.78
  6. Step 6: Final answer
    x = 78,072.64

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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.