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Finding the Fourth Proportional to 64,424.84, 88,907 and 35,745.02

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Solution

The fourth proportional to 64,424.84, 88,907 and 35,745.02 is: 49,328.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,424.84 : 88,907 = 35,745.02 : x
  2. Step 2: Convert to fraction form
    64,424.84/88,907 = 35,745.02/x
  3. Step 3: Cross multiply
    64,424.84x = 88,907 × 35,745.02
  4. Step 4: Simplify right side
    64,424.84x = 3,177,982,493.14
  5. Step 5: Solve for x
    x = 3,177,982,493.14/64,424.84
  6. Step 6: Final answer
    x = 49,328.53

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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.