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Finding the Fourth Proportional to 93,433.80, 140,067.32 and 34,255.64

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Solution

The fourth proportional to 93,433.80, 140,067.32 and 34,255.64 is: 51,352.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,433.80 : 140,067.32 = 34,255.64 : x
  2. Step 2: Convert to fraction form
    93,433.80/140,067.32 = 34,255.64/x
  3. Step 3: Cross multiply
    93,433.80x = 140,067.32 × 34,255.64
  4. Step 4: Simplify right side
    93,433.80x = 4,798,095,689.68
  5. Step 5: Solve for x
    x = 4,798,095,689.68/93,433.80
  6. Step 6: Final answer
    x = 51,352.89

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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.