Home / 112,251.30-168,231.69-45,614.09

Finding the Fourth Proportional to 112,251.30, 168,231.69 and 45,614.09

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Solution

The fourth proportional to 112,251.30, 168,231.69 and 45,614.09 is: 68,362.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,251.30 : 168,231.69 = 45,614.09 : x
  2. Step 2: Convert to fraction form
    112,251.30/168,231.69 = 45,614.09/x
  3. Step 3: Cross multiply
    112,251.30x = 168,231.69 × 45,614.09
  4. Step 4: Simplify right side
    112,251.30x = 7,673,734,607.35
  5. Step 5: Solve for x
    x = 7,673,734,607.35/112,251.30
  6. Step 6: Final answer
    x = 68,362.10

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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.