Home / 89,033.50-122,861.56-48,739.54

Finding the Fourth Proportional to 89,033.50, 122,861.56 and 48,739.54

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Solution

The fourth proportional to 89,033.50, 122,861.56 and 48,739.54 is: 67,258.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.50 : 122,861.56 = 48,739.54 : x
  2. Step 2: Convert to fraction form
    89,033.50/122,861.56 = 48,739.54/x
  3. Step 3: Cross multiply
    89,033.50x = 122,861.56 × 48,739.54
  4. Step 4: Simplify right side
    89,033.50x = 5,988,215,918.08
  5. Step 5: Solve for x
    x = 5,988,215,918.08/89,033.50
  6. Step 6: Final answer
    x = 67,258.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.