Home / 133,072.02-199,647-49,972.50

Finding the Fourth Proportional to 133,072.02, 199,647 and 49,972.50

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Solution

The fourth proportional to 133,072.02, 199,647 and 49,972.50 is: 74,973.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    133,072.02 : 199,647 = 49,972.50 : x
  2. Step 2: Convert to fraction form
    133,072.02/199,647 = 49,972.50/x
  3. Step 3: Cross multiply
    133,072.02x = 199,647 × 49,972.50
  4. Step 4: Simplify right side
    133,072.02x = 9,976,859,707.50
  5. Step 5: Solve for x
    x = 9,976,859,707.50/133,072.02
  6. Step 6: Final answer
    x = 74,973.38

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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.