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Finding the Fourth Proportional to 93,790.58, 140,697.43 and 30,593.79

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Solution

The fourth proportional to 93,790.58, 140,697.43 and 30,593.79 is: 45,894.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,790.58 : 140,697.43 = 30,593.79 : x
  2. Step 2: Convert to fraction form
    93,790.58/140,697.43 = 30,593.79/x
  3. Step 3: Cross multiply
    93,790.58x = 140,697.43 × 30,593.79
  4. Step 4: Simplify right side
    93,790.58x = 4,304,467,550.48
  5. Step 5: Solve for x
    x = 4,304,467,550.48/93,790.58
  6. Step 6: Final answer
    x = 45,894.46

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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.