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Finding the Fourth Proportional to 64,102.78, 88,467 and 35,424.96

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Solution

The fourth proportional to 64,102.78, 88,467 and 35,424.96 is: 48,889.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,102.78 : 88,467 = 35,424.96 : x
  2. Step 2: Convert to fraction form
    64,102.78/88,467 = 35,424.96/x
  3. Step 3: Cross multiply
    64,102.78x = 88,467 × 35,424.96
  4. Step 4: Simplify right side
    64,102.78x = 3,133,939,936.32
  5. Step 5: Solve for x
    x = 3,133,939,936.32/64,102.78
  6. Step 6: Final answer
    x = 48,889.30

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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.