Home / 67,346.19-100,997.42-31,802.00

Finding the Fourth Proportional to 67,346.19, 100,997.42 and 31,802.00

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Solution

The fourth proportional to 67,346.19, 100,997.42 and 31,802.00 is: 47,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,346.19 : 100,997.42 = 31,802.00 : x
  2. Step 2: Convert to fraction form
    67,346.19/100,997.42 = 31,802.00/x
  3. Step 3: Cross multiply
    67,346.19x = 100,997.42 × 31,802.00
  4. Step 4: Simplify right side
    67,346.19x = 3,211,919,286.84
  5. Step 5: Solve for x
    x = 3,211,919,286.84/67,346.19
  6. Step 6: Final answer
    x = 47,692.67

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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.