Home / 51,353.72-76,979.55-35,738.54

Finding the Fourth Proportional to 51,353.72, 76,979.55 and 35,738.54

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Solution

The fourth proportional to 51,353.72, 76,979.55 and 35,738.54 is: 53,572.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,353.72 : 76,979.55 = 35,738.54 : x
  2. Step 2: Convert to fraction form
    51,353.72/76,979.55 = 35,738.54/x
  3. Step 3: Cross multiply
    51,353.72x = 76,979.55 × 35,738.54
  4. Step 4: Simplify right side
    51,353.72x = 2,751,136,726.86
  5. Step 5: Solve for x
    x = 2,751,136,726.86/51,353.72
  6. Step 6: Final answer
    x = 53,572.30

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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.