Home / 54,120.91-74,638.48-33,979.66

Finding the Fourth Proportional to 54,120.91, 74,638.48 and 33,979.66

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Solution

The fourth proportional to 54,120.91, 74,638.48 and 33,979.66 is: 46,861.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,120.91 : 74,638.48 = 33,979.66 : x
  2. Step 2: Convert to fraction form
    54,120.91/74,638.48 = 33,979.66/x
  3. Step 3: Cross multiply
    54,120.91x = 74,638.48 × 33,979.66
  4. Step 4: Simplify right side
    54,120.91x = 2,536,190,173.32
  5. Step 5: Solve for x
    x = 2,536,190,173.32/54,120.91
  6. Step 6: Final answer
    x = 46,861.56

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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.