Home / 54,121.18-74,638.86-33,979.94

Finding the Fourth Proportional to 54,121.18, 74,638.86 and 33,979.94

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Solution

The fourth proportional to 54,121.18, 74,638.86 and 33,979.94 is: 46,861.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,121.18 : 74,638.86 = 33,979.94 : x
  2. Step 2: Convert to fraction form
    54,121.18/74,638.86 = 33,979.94/x
  3. Step 3: Cross multiply
    54,121.18x = 74,638.86 × 33,979.94
  4. Step 4: Simplify right side
    54,121.18x = 2,536,223,984.47
  5. Step 5: Solve for x
    x = 2,536,223,984.47/54,121.18
  6. Step 6: Final answer
    x = 46,861.95

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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.