Home / 74,480.99-111,721.52-21,927.38

Finding the Fourth Proportional to 74,480.99, 111,721.52 and 21,927.38

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Solution

The fourth proportional to 74,480.99, 111,721.52 and 21,927.38 is: 32,891.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,480.99 : 111,721.52 = 21,927.38 : x
  2. Step 2: Convert to fraction form
    74,480.99/111,721.52 = 21,927.38/x
  3. Step 3: Cross multiply
    74,480.99x = 111,721.52 × 21,927.38
  4. Step 4: Simplify right side
    74,480.99x = 2,449,759,719.43
  5. Step 5: Solve for x
    x = 2,449,759,719.43/74,480.99
  6. Step 6: Final answer
    x = 32,891.08

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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.