Home / 79,935.48-119,972.34-30,722.04

Finding the Fourth Proportional to 79,935.48, 119,972.34 and 30,722.04

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Solution

The fourth proportional to 79,935.48, 119,972.34 and 30,722.04 is: 46,109.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,935.48 : 119,972.34 = 30,722.04 : x
  2. Step 2: Convert to fraction form
    79,935.48/119,972.34 = 30,722.04/x
  3. Step 3: Cross multiply
    79,935.48x = 119,972.34 × 30,722.04
  4. Step 4: Simplify right side
    79,935.48x = 3,685,795,028.37
  5. Step 5: Solve for x
    x = 3,685,795,028.37/79,935.48
  6. Step 6: Final answer
    x = 46,109.63

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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.