Home / 90,406.62-135,578.46-37,083.45

Finding the Fourth Proportional to 90,406.62, 135,578.46 and 37,083.45

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Solution

The fourth proportional to 90,406.62, 135,578.46 and 37,083.45 is: 55,612.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,406.62 : 135,578.46 = 37,083.45 : x
  2. Step 2: Convert to fraction form
    90,406.62/135,578.46 = 37,083.45/x
  3. Step 3: Cross multiply
    90,406.62x = 135,578.46 × 37,083.45
  4. Step 4: Simplify right side
    90,406.62x = 5,027,717,042.49
  5. Step 5: Solve for x
    x = 5,027,717,042.49/90,406.62
  6. Step 6: Final answer
    x = 55,612.27

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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.