Home / 89,078.76-133,582.26-32,136.48

Finding the Fourth Proportional to 89,078.76, 133,582.26 and 32,136.48

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Solution

The fourth proportional to 89,078.76, 133,582.26 and 32,136.48 is: 48,191.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,078.76 : 133,582.26 = 32,136.48 : x
  2. Step 2: Convert to fraction form
    89,078.76/133,582.26 = 32,136.48/x
  3. Step 3: Cross multiply
    89,078.76x = 133,582.26 × 32,136.48
  4. Step 4: Simplify right side
    89,078.76x = 4,292,863,626.84
  5. Step 5: Solve for x
    x = 4,292,863,626.84/89,078.76
  6. Step 6: Final answer
    x = 48,191.78

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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.