Home / 54,900.85-82,365-25,339.36

Finding the Fourth Proportional to 54,900.85, 82,365 and 25,339.36

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Solution

The fourth proportional to 54,900.85, 82,365 and 25,339.36 is: 38,015.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,900.85 : 82,365 = 25,339.36 : x
  2. Step 2: Convert to fraction form
    54,900.85/82,365 = 25,339.36/x
  3. Step 3: Cross multiply
    54,900.85x = 82,365 × 25,339.36
  4. Step 4: Simplify right side
    54,900.85x = 2,087,076,386.40
  5. Step 5: Solve for x
    x = 2,087,076,386.40/54,900.85
  6. Step 6: Final answer
    x = 38,015.37

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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.