Home / 89,093.05-122,951.47-48,806.80

Finding the Fourth Proportional to 89,093.05, 122,951.47 and 48,806.80

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Solution

The fourth proportional to 89,093.05, 122,951.47 and 48,806.80 is: 67,355.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,093.05 : 122,951.47 = 48,806.80 : x
  2. Step 2: Convert to fraction form
    89,093.05/122,951.47 = 48,806.80/x
  3. Step 3: Cross multiply
    89,093.05x = 122,951.47 × 48,806.80
  4. Step 4: Simplify right side
    89,093.05x = 6,000,867,806.00
  5. Step 5: Solve for x
    x = 6,000,867,806.00/89,093.05
  6. Step 6: Final answer
    x = 67,355.06

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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.