Home / 104,600.60-156,812.72-45,391.67

Finding the Fourth Proportional to 104,600.60, 156,812.72 and 45,391.67

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Solution

The fourth proportional to 104,600.60, 156,812.72 and 45,391.67 is: 68,049.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    104,600.60 : 156,812.72 = 45,391.67 : x
  2. Step 2: Convert to fraction form
    104,600.60/156,812.72 = 45,391.67/x
  3. Step 3: Cross multiply
    104,600.60x = 156,812.72 × 45,391.67
  4. Step 4: Simplify right side
    104,600.60x = 7,117,991,238.04
  5. Step 5: Solve for x
    x = 7,117,991,238.04/104,600.60
  6. Step 6: Final answer
    x = 68,049.24

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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.