Home / 101,279.09-151,906.04-63,331.67

Finding the Fourth Proportional to 101,279.09, 151,906.04 and 63,331.67

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Solution

The fourth proportional to 101,279.09, 151,906.04 and 63,331.67 is: 94,989.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    101,279.09 : 151,906.04 = 63,331.67 : x
  2. Step 2: Convert to fraction form
    101,279.09/151,906.04 = 63,331.67/x
  3. Step 3: Cross multiply
    101,279.09x = 151,906.04 × 63,331.67
  4. Step 4: Simplify right side
    101,279.09x = 9,620,462,120.10
  5. Step 5: Solve for x
    x = 9,620,462,120.10/101,279.09
  6. Step 6: Final answer
    x = 94,989.62

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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.