Home / 54,718.28-82,074.69-19,168.60

Finding the Fourth Proportional to 54,718.28, 82,074.69 and 19,168.60

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Solution

The fourth proportional to 54,718.28, 82,074.69 and 19,168.60 is: 28,751.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,718.28 : 82,074.69 = 19,168.60 : x
  2. Step 2: Convert to fraction form
    54,718.28/82,074.69 = 19,168.60/x
  3. Step 3: Cross multiply
    54,718.28x = 82,074.69 × 19,168.60
  4. Step 4: Simplify right side
    54,718.28x = 1,573,256,905.35
  5. Step 5: Solve for x
    x = 1,573,256,905.35/54,718.28
  6. Step 6: Final answer
    x = 28,751.94

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.