Home / 93,815.82-140,679.99-54,384.21

Finding the Fourth Proportional to 93,815.82, 140,679.99 and 54,384.21

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Solution

The fourth proportional to 93,815.82, 140,679.99 and 54,384.21 is: 81,550.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,815.82 : 140,679.99 = 54,384.21 : x
  2. Step 2: Convert to fraction form
    93,815.82/140,679.99 = 54,384.21/x
  3. Step 3: Cross multiply
    93,815.82x = 140,679.99 × 54,384.21
  4. Step 4: Simplify right side
    93,815.82x = 7,650,770,118.96
  5. Step 5: Solve for x
    x = 7,650,770,118.96/93,815.82
  6. Step 6: Final answer
    x = 81,550.96

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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.