Home / 109,764.92-164,606.07-43,168.65

Finding the Fourth Proportional to 109,764.92, 164,606.07 and 43,168.65

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Solution

The fourth proportional to 109,764.92, 164,606.07 and 43,168.65 is: 64,736.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,764.92 : 164,606.07 = 43,168.65 : x
  2. Step 2: Convert to fraction form
    109,764.92/164,606.07 = 43,168.65/x
  3. Step 3: Cross multiply
    109,764.92x = 164,606.07 × 43,168.65
  4. Step 4: Simplify right side
    109,764.92x = 7,105,821,368.32
  5. Step 5: Solve for x
    x = 7,105,821,368.32/109,764.92
  6. Step 6: Final answer
    x = 64,736.72

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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.