Home / 54,721.76-82,041.60-23,168.80

Finding the Fourth Proportional to 54,721.76, 82,041.60 and 23,168.80

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Solution

The fourth proportional to 54,721.76, 82,041.60 and 23,168.80 is: 34,735.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,721.76 : 82,041.60 = 23,168.80 : x
  2. Step 2: Convert to fraction form
    54,721.76/82,041.60 = 23,168.80/x
  3. Step 3: Cross multiply
    54,721.76x = 82,041.60 × 23,168.80
  4. Step 4: Simplify right side
    54,721.76x = 1,900,805,422.08
  5. Step 5: Solve for x
    x = 1,900,805,422.08/54,721.76
  6. Step 6: Final answer
    x = 34,735.82

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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.