Home / 109,906.65-164,601.62-53,570.21

Finding the Fourth Proportional to 109,906.65, 164,601.62 and 53,570.21

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Solution

The fourth proportional to 109,906.65, 164,601.62 and 53,570.21 is: 80,229.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,906.65 : 164,601.62 = 53,570.21 : x
  2. Step 2: Convert to fraction form
    109,906.65/164,601.62 = 53,570.21/x
  3. Step 3: Cross multiply
    109,906.65x = 164,601.62 × 53,570.21
  4. Step 4: Simplify right side
    109,906.65x = 8,817,742,258.88
  5. Step 5: Solve for x
    x = 8,817,742,258.88/109,906.65
  6. Step 6: Final answer
    x = 80,229.38

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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.