Home / 90,397.24-135,545.04-37,074.54

Finding the Fourth Proportional to 90,397.24, 135,545.04 and 37,074.54

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Solution

The fourth proportional to 90,397.24, 135,545.04 and 37,074.54 is: 55,590.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,397.24 : 135,545.04 = 37,074.54 : x
  2. Step 2: Convert to fraction form
    90,397.24/135,545.04 = 37,074.54/x
  3. Step 3: Cross multiply
    90,397.24x = 135,545.04 × 37,074.54
  4. Step 4: Simplify right side
    90,397.24x = 5,025,270,007.28
  5. Step 5: Solve for x
    x = 5,025,270,007.28/90,397.24
  6. Step 6: Final answer
    x = 55,590.97

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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.