Home / 63,721.96-87,936.10-35,427.64

Finding the Fourth Proportional to 63,721.96, 87,936.10 and 35,427.64

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Solution

The fourth proportional to 63,721.96, 87,936.10 and 35,427.64 is: 48,890.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,721.96 : 87,936.10 = 35,427.64 : x
  2. Step 2: Convert to fraction form
    63,721.96/87,936.10 = 35,427.64/x
  3. Step 3: Cross multiply
    63,721.96x = 87,936.10 × 35,427.64
  4. Step 4: Simplify right side
    63,721.96x = 3,115,368,493.80
  5. Step 5: Solve for x
    x = 3,115,368,493.80/63,721.96
  6. Step 6: Final answer
    x = 48,890.03

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.