Home / 54,281.97-81,548.10-52,039.98

Finding the Fourth Proportional to 54,281.97, 81,548.10 and 52,039.98

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Solution

The fourth proportional to 54,281.97, 81,548.10 and 52,039.98 is: 78,179.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,281.97 : 81,548.10 = 52,039.98 : x
  2. Step 2: Convert to fraction form
    54,281.97/81,548.10 = 52,039.98/x
  3. Step 3: Cross multiply
    54,281.97x = 81,548.10 × 52,039.98
  4. Step 4: Simplify right side
    54,281.97x = 4,243,760,825.10
  5. Step 5: Solve for x
    x = 4,243,760,825.10/54,281.97
  6. Step 6: Final answer
    x = 78,179.94

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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.