Home / 74,206.72-111,239.68-27,427.84

Finding the Fourth Proportional to 74,206.72, 111,239.68 and 27,427.84

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Solution

The fourth proportional to 74,206.72, 111,239.68 and 27,427.84 is: 41,115.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,206.72 : 111,239.68 = 27,427.84 : x
  2. Step 2: Convert to fraction form
    74,206.72/111,239.68 = 27,427.84/x
  3. Step 3: Cross multiply
    74,206.72x = 111,239.68 × 27,427.84
  4. Step 4: Simplify right side
    74,206.72x = 3,051,064,144.69
  5. Step 5: Solve for x
    x = 3,051,064,144.69/74,206.72
  6. Step 6: Final answer
    x = 41,115.74

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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.