Home / 54,116.92-74,684.30-30,243.64

Finding the Fourth Proportional to 54,116.92, 74,684.30 and 30,243.64

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Solution

The fourth proportional to 54,116.92, 74,684.30 and 30,243.64 is: 41,737.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,116.92 : 74,684.30 = 30,243.64 : x
  2. Step 2: Convert to fraction form
    54,116.92/74,684.30 = 30,243.64/x
  3. Step 3: Cross multiply
    54,116.92x = 74,684.30 × 30,243.64
  4. Step 4: Simplify right side
    54,116.92x = 2,258,725,082.85
  5. Step 5: Solve for x
    x = 2,258,725,082.85/54,116.92
  6. Step 6: Final answer
    x = 41,737.87

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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.