Home / 111,621.38-167,429.63-27,381.94

Finding the Fourth Proportional to 111,621.38, 167,429.63 and 27,381.94

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Solution

The fourth proportional to 111,621.38, 167,429.63 and 27,381.94 is: 41,072.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,621.38 : 167,429.63 = 27,381.94 : x
  2. Step 2: Convert to fraction form
    111,621.38/167,429.63 = 27,381.94/x
  3. Step 3: Cross multiply
    111,621.38x = 167,429.63 × 27,381.94
  4. Step 4: Simplify right side
    111,621.38x = 4,584,547,732.76
  5. Step 5: Solve for x
    x = 4,584,547,732.76/111,621.38
  6. Step 6: Final answer
    x = 41,072.31

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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.