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Finding the Fourth Proportional to 93,626.91, 140,454.27 and 34,458.30

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Solution

The fourth proportional to 93,626.91, 140,454.27 and 34,458.30 is: 51,692.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,626.91 : 140,454.27 = 34,458.30 : x
  2. Step 2: Convert to fraction form
    93,626.91/140,454.27 = 34,458.30/x
  3. Step 3: Cross multiply
    93,626.91x = 140,454.27 × 34,458.30
  4. Step 4: Simplify right side
    93,626.91x = 4,839,815,371.94
  5. Step 5: Solve for x
    x = 4,839,815,371.94/93,626.91
  6. Step 6: Final answer
    x = 51,692.57

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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.