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Finding the Fourth Proportional to 93,894.74, 140,743.70 and 34,692.65

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Solution

The fourth proportional to 93,894.74, 140,743.70 and 34,692.65 is: 52,002.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,894.74 : 140,743.70 = 34,692.65 : x
  2. Step 2: Convert to fraction form
    93,894.74/140,743.70 = 34,692.65/x
  3. Step 3: Cross multiply
    93,894.74x = 140,743.70 × 34,692.65
  4. Step 4: Simplify right side
    93,894.74x = 4,882,771,046.62
  5. Step 5: Solve for x
    x = 4,882,771,046.62/93,894.74
  6. Step 6: Final answer
    x = 52,002.61

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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.