Home / 74,429.43-111,578.54-27,649.50

Finding the Fourth Proportional to 74,429.43, 111,578.54 and 27,649.50

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Solution

The fourth proportional to 74,429.43, 111,578.54 and 27,649.50 is: 41,449.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,429.43 : 111,578.54 = 27,649.50 : x
  2. Step 2: Convert to fraction form
    74,429.43/111,578.54 = 27,649.50/x
  3. Step 3: Cross multiply
    74,429.43x = 111,578.54 × 27,649.50
  4. Step 4: Simplify right side
    74,429.43x = 3,085,090,703.48
  5. Step 5: Solve for x
    x = 3,085,090,703.48/74,429.43
  6. Step 6: Final answer
    x = 41,449.88

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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.