Home / 104,942.08-157,436.48-38,380.72

Finding the Fourth Proportional to 104,942.08, 157,436.48 and 38,380.72

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Solution

The fourth proportional to 104,942.08, 157,436.48 and 38,380.72 is: 57,579.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,942.08 : 157,436.48 = 38,380.72 : x
  2. Step 2: Convert to fraction form
    104,942.08/157,436.48 = 38,380.72/x
  3. Step 3: Cross multiply
    104,942.08x = 157,436.48 × 38,380.72
  4. Step 4: Simplify right side
    104,942.08x = 6,042,525,456.67
  5. Step 5: Solve for x
    x = 6,042,525,456.67/104,942.08
  6. Step 6: Final answer
    x = 57,579.62

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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.