Home / 123,816.33-185,724.70-39,583.28

Finding the Fourth Proportional to 123,816.33, 185,724.70 and 39,583.28

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Solution

The fourth proportional to 123,816.33, 185,724.70 and 39,583.28 is: 59,374.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    123,816.33 : 185,724.70 = 39,583.28 : x
  2. Step 2: Convert to fraction form
    123,816.33/185,724.70 = 39,583.28/x
  3. Step 3: Cross multiply
    123,816.33x = 185,724.70 × 39,583.28
  4. Step 4: Simplify right side
    123,816.33x = 7,351,593,168.37
  5. Step 5: Solve for x
    x = 7,351,593,168.37/123,816.33
  6. Step 6: Final answer
    x = 59,374.99

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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.