Home / 54,122.34-74,640.46-33,981.10

Finding the Fourth Proportional to 54,122.34, 74,640.46 and 33,981.10

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Solution

The fourth proportional to 54,122.34, 74,640.46 and 33,981.10 is: 46,863.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,122.34 : 74,640.46 = 33,981.10 : x
  2. Step 2: Convert to fraction form
    54,122.34/74,640.46 = 33,981.10/x
  3. Step 3: Cross multiply
    54,122.34x = 74,640.46 × 33,981.10
  4. Step 4: Simplify right side
    54,122.34x = 2,536,364,935.31
  5. Step 5: Solve for x
    x = 2,536,364,935.31/54,122.34
  6. Step 6: Final answer
    x = 46,863.55

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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.