Home / 54,121.16-74,638.82-33,979.92

Finding the Fourth Proportional to 54,121.16, 74,638.82 and 33,979.92

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Solution

The fourth proportional to 54,121.16, 74,638.82 and 33,979.92 is: 46,861.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.16 : 74,638.82 = 33,979.92 : x
  2. Step 2: Convert to fraction form
    54,121.16/74,638.82 = 33,979.92/x
  3. Step 3: Cross multiply
    54,121.16x = 74,638.82 × 33,979.92
  4. Step 4: Simplify right side
    54,121.16x = 2,536,220,962.59
  5. Step 5: Solve for x
    x = 2,536,220,962.59/54,121.16
  6. Step 6: Final answer
    x = 46,861.91

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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.