Home / 89,003.10-133,504.38-36,412.50

Finding the Fourth Proportional to 89,003.10, 133,504.38 and 36,412.50

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Solution

The fourth proportional to 89,003.10, 133,504.38 and 36,412.50 is: 54,618.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,003.10 : 133,504.38 = 36,412.50 : x
  2. Step 2: Convert to fraction form
    89,003.10/133,504.38 = 36,412.50/x
  3. Step 3: Cross multiply
    89,003.10x = 133,504.38 × 36,412.50
  4. Step 4: Simplify right side
    89,003.10x = 4,861,228,236.75
  5. Step 5: Solve for x
    x = 4,861,228,236.75/89,003.10
  6. Step 6: Final answer
    x = 54,618.64

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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.