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Finding the Fourth Proportional to 93,850.79, 140,789.90 and 27,282.26

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Solution

The fourth proportional to 93,850.79, 140,789.90 and 27,282.26 is: 40,927.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,850.79 : 140,789.90 = 27,282.26 : x
  2. Step 2: Convert to fraction form
    93,850.79/140,789.90 = 27,282.26/x
  3. Step 3: Cross multiply
    93,850.79x = 140,789.90 × 27,282.26
  4. Step 4: Simplify right side
    93,850.79x = 3,841,066,657.17
  5. Step 5: Solve for x
    x = 3,841,066,657.17/93,850.79
  6. Step 6: Final answer
    x = 40,927.38

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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.