Home / 101,963.03-152,998.50-74,112.93

Finding the Fourth Proportional to 101,963.03, 152,998.50 and 74,112.93

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Solution

The fourth proportional to 101,963.03, 152,998.50 and 74,112.93 is: 111,208.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,963.03 : 152,998.50 = 74,112.93 : x
  2. Step 2: Convert to fraction form
    101,963.03/152,998.50 = 74,112.93/x
  3. Step 3: Cross multiply
    101,963.03x = 152,998.50 × 74,112.93
  4. Step 4: Simplify right side
    101,963.03x = 11,339,167,120.61
  5. Step 5: Solve for x
    x = 11,339,167,120.61/101,963.03
  6. Step 6: Final answer
    x = 111,208.62

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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.