Home / 109,558.18-164,320.75-34,668.60

Finding the Fourth Proportional to 109,558.18, 164,320.75 and 34,668.60

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Solution

The fourth proportional to 109,558.18, 164,320.75 and 34,668.60 is: 51,997.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,558.18 : 164,320.75 = 34,668.60 : x
  2. Step 2: Convert to fraction form
    109,558.18/164,320.75 = 34,668.60/x
  3. Step 3: Cross multiply
    109,558.18x = 164,320.75 × 34,668.60
  4. Step 4: Simplify right side
    109,558.18x = 5,696,770,353.45
  5. Step 5: Solve for x
    x = 5,696,770,353.45/109,558.18
  6. Step 6: Final answer
    x = 51,997.67

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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.