Home / 54,183.42-74,776.23-30,311.10

Finding the Fourth Proportional to 54,183.42, 74,776.23 and 30,311.10

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Solution

The fourth proportional to 54,183.42, 74,776.23 and 30,311.10 is: 41,831.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,183.42 : 74,776.23 = 30,311.10 : x
  2. Step 2: Convert to fraction form
    54,183.42/74,776.23 = 30,311.10/x
  3. Step 3: Cross multiply
    54,183.42x = 74,776.23 × 30,311.10
  4. Step 4: Simplify right side
    54,183.42x = 2,266,549,785.15
  5. Step 5: Solve for x
    x = 2,266,549,785.15/54,183.42
  6. Step 6: Final answer
    x = 41,831.06

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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.