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Finding the Fourth Proportional to 89,611.76, 134,500.67 and 45,269.73

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Solution

The fourth proportional to 89,611.76, 134,500.67 and 45,269.73 is: 67,946.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,611.76 : 134,500.67 = 45,269.73 : x
  2. Step 2: Convert to fraction form
    89,611.76/134,500.67 = 45,269.73/x
  3. Step 3: Cross multiply
    89,611.76x = 134,500.67 × 45,269.73
  4. Step 4: Simplify right side
    89,611.76x = 6,088,809,015.72
  5. Step 5: Solve for x
    x = 6,088,809,015.72/89,611.76
  6. Step 6: Final answer
    x = 67,946.54

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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.