Home / 109,942.29-164,802.65-43,356.69

Finding the Fourth Proportional to 109,942.29, 164,802.65 and 43,356.69

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Solution

The fourth proportional to 109,942.29, 164,802.65 and 43,356.69 is: 64,991.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,942.29 : 164,802.65 = 43,356.69 : x
  2. Step 2: Convert to fraction form
    109,942.29/164,802.65 = 43,356.69/x
  3. Step 3: Cross multiply
    109,942.29x = 164,802.65 × 43,356.69
  4. Step 4: Simplify right side
    109,942.29x = 7,145,297,190.45
  5. Step 5: Solve for x
    x = 7,145,297,190.45/109,942.29
  6. Step 6: Final answer
    x = 64,991.34

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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.