Home / 111,936.92-154,423.04-75,626.69

Finding the Fourth Proportional to 111,936.92, 154,423.04 and 75,626.69

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Solution

The fourth proportional to 111,936.92, 154,423.04 and 75,626.69 is: 104,331.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,936.92 : 154,423.04 = 75,626.69 : x
  2. Step 2: Convert to fraction form
    111,936.92/154,423.04 = 75,626.69/x
  3. Step 3: Cross multiply
    111,936.92x = 154,423.04 × 75,626.69
  4. Step 4: Simplify right side
    111,936.92x = 11,678,502,224.69
  5. Step 5: Solve for x
    x = 11,678,502,224.69/111,936.92
  6. Step 6: Final answer
    x = 104,331.11

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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.