Home / 65,183.27-89,953.61-40,032.77

Finding the Fourth Proportional to 65,183.27, 89,953.61 and 40,032.77

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Solution

The fourth proportional to 65,183.27, 89,953.61 and 40,032.77 is: 55,245.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    65,183.27 : 89,953.61 = 40,032.77 : x
  2. Step 2: Convert to fraction form
    65,183.27/89,953.61 = 40,032.77/x
  3. Step 3: Cross multiply
    65,183.27x = 89,953.61 × 40,032.77
  4. Step 4: Simplify right side
    65,183.27x = 3,601,091,529.87
  5. Step 5: Solve for x
    x = 3,601,091,529.87/65,183.27
  6. Step 6: Final answer
    x = 55,245.65

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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.