Home / 89,089.20-133,374.60-54,010.80

Finding the Fourth Proportional to 89,089.20, 133,374.60 and 54,010.80

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Solution

The fourth proportional to 89,089.20, 133,374.60 and 54,010.80 is: 80,859.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,089.20 : 133,374.60 = 54,010.80 : x
  2. Step 2: Convert to fraction form
    89,089.20/133,374.60 = 54,010.80/x
  3. Step 3: Cross multiply
    89,089.20x = 133,374.60 × 54,010.80
  4. Step 4: Simplify right side
    89,089.20x = 7,203,668,845.68
  5. Step 5: Solve for x
    x = 7,203,668,845.68/89,089.20
  6. Step 6: Final answer
    x = 80,859.06

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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.