Home / 65,822.72-90,835.22-35,608.07

Finding the Fourth Proportional to 65,822.72, 90,835.22 and 35,608.07

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Solution

The fourth proportional to 65,822.72, 90,835.22 and 35,608.07 is: 49,139.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,822.72 : 90,835.22 = 35,608.07 : x
  2. Step 2: Convert to fraction form
    65,822.72/90,835.22 = 35,608.07/x
  3. Step 3: Cross multiply
    65,822.72x = 90,835.22 × 35,608.07
  4. Step 4: Simplify right side
    65,822.72x = 3,234,467,188.33
  5. Step 5: Solve for x
    x = 3,234,467,188.33/65,822.72
  6. Step 6: Final answer
    x = 49,139.07

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.