Home / 54,103.84-74,661.90-30,230.72

Finding the Fourth Proportional to 54,103.84, 74,661.90 and 30,230.72

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Solution

The fourth proportional to 54,103.84, 74,661.90 and 30,230.72 is: 41,717.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,103.84 : 74,661.90 = 30,230.72 : x
  2. Step 2: Convert to fraction form
    54,103.84/74,661.90 = 30,230.72/x
  3. Step 3: Cross multiply
    54,103.84x = 74,661.90 × 30,230.72
  4. Step 4: Simplify right side
    54,103.84x = 2,257,082,993.57
  5. Step 5: Solve for x
    x = 2,257,082,993.57/54,103.84
  6. Step 6: Final answer
    x = 41,717.61

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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.