Home / 69,731.97-104,572.65-38,165.35

Finding the Fourth Proportional to 69,731.97, 104,572.65 and 38,165.35

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Solution

The fourth proportional to 69,731.97, 104,572.65 and 38,165.35 is: 57,234.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,731.97 : 104,572.65 = 38,165.35 : x
  2. Step 2: Convert to fraction form
    69,731.97/104,572.65 = 38,165.35/x
  3. Step 3: Cross multiply
    69,731.97x = 104,572.65 × 38,165.35
  4. Step 4: Simplify right side
    69,731.97x = 3,991,051,596.85
  5. Step 5: Solve for x
    x = 3,991,051,596.85/69,731.97
  6. Step 6: Final answer
    x = 57,234.17

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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.