Home / 65,183.68-89,926.68-39,669.58

Finding the Fourth Proportional to 65,183.68, 89,926.68 and 39,669.58

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Solution

The fourth proportional to 65,183.68, 89,926.68 and 39,669.58 is: 54,727.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.68 : 89,926.68 = 39,669.58 : x
  2. Step 2: Convert to fraction form
    65,183.68/89,926.68 = 39,669.58/x
  3. Step 3: Cross multiply
    65,183.68x = 89,926.68 × 39,669.58
  4. Step 4: Simplify right side
    65,183.68x = 3,567,353,626.39
  5. Step 5: Solve for x
    x = 3,567,353,626.39/65,183.68
  6. Step 6: Final answer
    x = 54,727.71

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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.