Home / 104,906.10-157,405.65-54,974.34

Finding the Fourth Proportional to 104,906.10, 157,405.65 and 54,974.34

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Solution

The fourth proportional to 104,906.10, 157,405.65 and 54,974.34 is: 82,485.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,906.10 : 157,405.65 = 54,974.34 : x
  2. Step 2: Convert to fraction form
    104,906.10/157,405.65 = 54,974.34/x
  3. Step 3: Cross multiply
    104,906.10x = 157,405.65 × 54,974.34
  4. Step 4: Simplify right side
    104,906.10x = 8,653,271,721.02
  5. Step 5: Solve for x
    x = 8,653,271,721.02/104,906.10
  6. Step 6: Final answer
    x = 82,485.88

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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.