Home / 54,283.44-81,055.62-47,905.16

Finding the Fourth Proportional to 54,283.44, 81,055.62 and 47,905.16

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Solution

The fourth proportional to 54,283.44, 81,055.62 and 47,905.16 is: 71,531.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,283.44 : 81,055.62 = 47,905.16 : x
  2. Step 2: Convert to fraction form
    54,283.44/81,055.62 = 47,905.16/x
  3. Step 3: Cross multiply
    54,283.44x = 81,055.62 × 47,905.16
  4. Step 4: Simplify right side
    54,283.44x = 3,882,982,445.00
  5. Step 5: Solve for x
    x = 3,882,982,445.00/54,283.44
  6. Step 6: Final answer
    x = 71,531.62

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.