Home / 124,571.13-171,908.11-67,982.50

Finding the Fourth Proportional to 124,571.13, 171,908.11 and 67,982.50

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Solution

The fourth proportional to 124,571.13, 171,908.11 and 67,982.50 is: 93,815.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    124,571.13 : 171,908.11 = 67,982.50 : x
  2. Step 2: Convert to fraction form
    124,571.13/171,908.11 = 67,982.50/x
  3. Step 3: Cross multiply
    124,571.13x = 171,908.11 × 67,982.50
  4. Step 4: Simplify right side
    124,571.13x = 11,686,743,133.00
  5. Step 5: Solve for x
    x = 11,686,743,133.00/124,571.13
  6. Step 6: Final answer
    x = 93,815.83

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.