Home / 89,091.44-133,520.52-36,439.28

Finding the Fourth Proportional to 89,091.44, 133,520.52 and 36,439.28

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Solution

The fourth proportional to 89,091.44, 133,520.52 and 36,439.28 is: 54,611.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,091.44 : 133,520.52 = 36,439.28 : x
  2. Step 2: Convert to fraction form
    89,091.44/133,520.52 = 36,439.28/x
  3. Step 3: Cross multiply
    89,091.44x = 133,520.52 × 36,439.28
  4. Step 4: Simplify right side
    89,091.44x = 4,865,391,614.03
  5. Step 5: Solve for x
    x = 4,865,391,614.03/89,091.44
  6. Step 6: Final answer
    x = 54,611.21

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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.