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Finding the Fourth Proportional to 88,629.62, 132,860.30 and 35,354.34

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Solution

The fourth proportional to 88,629.62, 132,860.30 and 35,354.34 is: 52,997.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,629.62 : 132,860.30 = 35,354.34 : x
  2. Step 2: Convert to fraction form
    88,629.62/132,860.30 = 35,354.34/x
  3. Step 3: Cross multiply
    88,629.62x = 132,860.30 × 35,354.34
  4. Step 4: Simplify right side
    88,629.62x = 4,697,188,041.93
  5. Step 5: Solve for x
    x = 4,697,188,041.93/88,629.62
  6. Step 6: Final answer
    x = 52,997.95

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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.