Home / 89,230.10-133,863.36-36,640.04

Finding the Fourth Proportional to 89,230.10, 133,863.36 and 36,640.04

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Solution

The fourth proportional to 89,230.10, 133,863.36 and 36,640.04 is: 54,967.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,230.10 : 133,863.36 = 36,640.04 : x
  2. Step 2: Convert to fraction form
    89,230.10/133,863.36 = 36,640.04/x
  3. Step 3: Cross multiply
    89,230.10x = 133,863.36 × 36,640.04
  4. Step 4: Simplify right side
    89,230.10x = 4,904,758,864.93
  5. Step 5: Solve for x
    x = 4,904,758,864.93/89,230.10
  6. Step 6: Final answer
    x = 54,967.54

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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.