Home / 74,164.84-111,246.24-18,005.38

Finding the Fourth Proportional to 74,164.84, 111,246.24 and 18,005.38

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Solution

The fourth proportional to 74,164.84, 111,246.24 and 18,005.38 is: 27,007.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,164.84 : 111,246.24 = 18,005.38 : x
  2. Step 2: Convert to fraction form
    74,164.84/111,246.24 = 18,005.38/x
  3. Step 3: Cross multiply
    74,164.84x = 111,246.24 × 18,005.38
  4. Step 4: Simplify right side
    74,164.84x = 2,003,030,824.77
  5. Step 5: Solve for x
    x = 2,003,030,824.77/74,164.84
  6. Step 6: Final answer
    x = 27,007.82

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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.