Home / 93,932.46-140,563.35-81,597.78

Finding the Fourth Proportional to 93,932.46, 140,563.35 and 81,597.78

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Solution

The fourth proportional to 93,932.46, 140,563.35 and 81,597.78 is: 122,105.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    93,932.46 : 140,563.35 = 81,597.78 : x
  2. Step 2: Convert to fraction form
    93,932.46/140,563.35 = 81,597.78/x
  3. Step 3: Cross multiply
    93,932.46x = 140,563.35 × 81,597.78
  4. Step 4: Simplify right side
    93,932.46x = 11,469,657,309.36
  5. Step 5: Solve for x
    x = 11,469,657,309.36/93,932.46
  6. Step 6: Final answer
    x = 122,105.36

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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.