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Finding the Fourth Proportional to 88,653.63, 132,896.34 and 35,378.31

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Solution

The fourth proportional to 88,653.63, 132,896.34 and 35,378.31 is: 53,033.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,653.63 : 132,896.34 = 35,378.31 : x
  2. Step 2: Convert to fraction form
    88,653.63/132,896.34 = 35,378.31/x
  3. Step 3: Cross multiply
    88,653.63x = 132,896.34 × 35,378.31
  4. Step 4: Simplify right side
    88,653.63x = 4,701,647,914.39
  5. Step 5: Solve for x
    x = 4,701,647,914.39/88,653.63
  6. Step 6: Final answer
    x = 53,033.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.