Home / 89,348.20-134,022.30-54,298.60

Finding the Fourth Proportional to 89,348.20, 134,022.30 and 54,298.60

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Solution

The fourth proportional to 89,348.20, 134,022.30 and 54,298.60 is: 81,447.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,348.20 : 134,022.30 = 54,298.60 : x
  2. Step 2: Convert to fraction form
    89,348.20/134,022.30 = 54,298.60/x
  3. Step 3: Cross multiply
    89,348.20x = 134,022.30 × 54,298.60
  4. Step 4: Simplify right side
    89,348.20x = 7,277,223,258.78
  5. Step 5: Solve for x
    x = 7,277,223,258.78/89,348.20
  6. Step 6: Final answer
    x = 81,447.90

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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.