Home / 57,680.11-79,589.01-38,529.16

Finding the Fourth Proportional to 57,680.11, 79,589.01 and 38,529.16

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Solution

The fourth proportional to 57,680.11, 79,589.01 and 38,529.16 is: 53,163.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,680.11 : 79,589.01 = 38,529.16 : x
  2. Step 2: Convert to fraction form
    57,680.11/79,589.01 = 38,529.16/x
  3. Step 3: Cross multiply
    57,680.11x = 79,589.01 × 38,529.16
  4. Step 4: Simplify right side
    57,680.11x = 3,066,497,800.02
  5. Step 5: Solve for x
    x = 3,066,497,800.02/57,680.11
  6. Step 6: Final answer
    x = 53,163.87

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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.