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Finding the Fourth Proportional to 64,297.67, 88,652.37 and 47,250

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Solution

The fourth proportional to 64,297.67, 88,652.37 and 47,250 is: 65,147.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,297.67 : 88,652.37 = 47,250 : x
  2. Step 2: Convert to fraction form
    64,297.67/88,652.37 = 47,250/x
  3. Step 3: Cross multiply
    64,297.67x = 88,652.37 × 47,250
  4. Step 4: Simplify right side
    64,297.67x = 4,188,824,659.69
  5. Step 5: Solve for x
    x = 4,188,824,659.69/64,297.67
  6. Step 6: Final answer
    x = 65,147.38

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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.