Home / 115,724.04-159,699.78-67,354.62

Finding the Fourth Proportional to 115,724.04, 159,699.78 and 67,354.62

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Solution

The fourth proportional to 115,724.04, 159,699.78 and 67,354.62 is: 92,949.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,724.04 : 159,699.78 = 67,354.62 : x
  2. Step 2: Convert to fraction form
    115,724.04/159,699.78 = 67,354.62/x
  3. Step 3: Cross multiply
    115,724.04x = 159,699.78 × 67,354.62
  4. Step 4: Simplify right side
    115,724.04x = 10,756,517,995.98
  5. Step 5: Solve for x
    x = 10,756,517,995.98/115,724.04
  6. Step 6: Final answer
    x = 92,949.73

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.