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Finding the Fourth Proportional to 64,117.44, 88,469.28 and 37,260

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Solution

The fourth proportional to 64,117.44, 88,469.28 and 37,260 is: 51,411.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,117.44 : 88,469.28 = 37,260 : x
  2. Step 2: Convert to fraction form
    64,117.44/88,469.28 = 37,260/x
  3. Step 3: Cross multiply
    64,117.44x = 88,469.28 × 37,260
  4. Step 4: Simplify right side
    64,117.44x = 3,296,365,372.80
  5. Step 5: Solve for x
    x = 3,296,365,372.80/64,117.44
  6. Step 6: Final answer
    x = 51,411.37

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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.