Home / 89,626.60-134,102.11-53,469.34

Finding the Fourth Proportional to 89,626.60, 134,102.11 and 53,469.34

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Solution

The fourth proportional to 89,626.60, 134,102.11 and 53,469.34 is: 80,002.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,626.60 : 134,102.11 = 53,469.34 : x
  2. Step 2: Convert to fraction form
    89,626.60/134,102.11 = 53,469.34/x
  3. Step 3: Cross multiply
    89,626.60x = 134,102.11 × 53,469.34
  4. Step 4: Simplify right side
    89,626.60x = 7,170,351,314.31
  5. Step 5: Solve for x
    x = 7,170,351,314.31/89,626.60
  6. Step 6: Final answer
    x = 80,002.49

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1.5x scale

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.