Home / 89,033.81-122,861.99-48,739.85

Finding the Fourth Proportional to 89,033.81, 122,861.99 and 48,739.85

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Solution

The fourth proportional to 89,033.81, 122,861.99 and 48,739.85 is: 67,258.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,033.81 : 122,861.99 = 48,739.85 : x
  2. Step 2: Convert to fraction form
    89,033.81/122,861.99 = 48,739.85/x
  3. Step 3: Cross multiply
    89,033.81x = 122,861.99 × 48,739.85
  4. Step 4: Simplify right side
    89,033.81x = 5,988,274,963.30
  5. Step 5: Solve for x
    x = 5,988,274,963.30/89,033.81
  6. Step 6: Final answer
    x = 67,258.44

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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.