Home / 49,424.88-74,137.05-11,984.93

Finding the Fourth Proportional to 49,424.88, 74,137.05 and 11,984.93

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Solution

The fourth proportional to 49,424.88, 74,137.05 and 11,984.93 is: 17,977.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,424.88 : 74,137.05 = 11,984.93 : x
  2. Step 2: Convert to fraction form
    49,424.88/74,137.05 = 11,984.93/x
  3. Step 3: Cross multiply
    49,424.88x = 74,137.05 × 11,984.93
  4. Step 4: Simplify right side
    49,424.88x = 888,526,983.97
  5. Step 5: Solve for x
    x = 888,526,983.97/49,424.88
  6. Step 6: Final answer
    x = 17,977.32

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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.