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Finding the Fourth Proportional to 64,610.44, 89,149.34 and 37,747.76

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Solution

The fourth proportional to 64,610.44, 89,149.34 and 37,747.76 is: 52,084.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,610.44 : 89,149.34 = 37,747.76 : x
  2. Step 2: Convert to fraction form
    64,610.44/89,149.34 = 37,747.76/x
  3. Step 3: Cross multiply
    64,610.44x = 89,149.34 × 37,747.76
  4. Step 4: Simplify right side
    64,610.44x = 3,365,187,796.11
  5. Step 5: Solve for x
    x = 3,365,187,796.11/64,610.44
  6. Step 6: Final answer
    x = 52,084.27

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1.5x scale

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.