Home / 65,842.23-90,861.99-35,628.09

Finding the Fourth Proportional to 65,842.23, 90,861.99 and 35,628.09

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Solution

The fourth proportional to 65,842.23, 90,861.99 and 35,628.09 is: 49,166.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,842.23 : 90,861.99 = 35,628.09 : x
  2. Step 2: Convert to fraction form
    65,842.23/90,861.99 = 35,628.09/x
  3. Step 3: Cross multiply
    65,842.23x = 90,861.99 × 35,628.09
  4. Step 4: Simplify right side
    65,842.23x = 3,237,239,157.30
  5. Step 5: Solve for x
    x = 3,237,239,157.30/65,842.23
  6. Step 6: Final answer
    x = 49,166.61

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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.