Home / 55,140.90-82,745.37-25,553.22

Finding the Fourth Proportional to 55,140.90, 82,745.37 and 25,553.22

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Solution

The fourth proportional to 55,140.90, 82,745.37 and 25,553.22 is: 38,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,140.90 : 82,745.37 = 25,553.22 : x
  2. Step 2: Convert to fraction form
    55,140.90/82,745.37 = 25,553.22/x
  3. Step 3: Cross multiply
    55,140.90x = 82,745.37 × 25,553.22
  4. Step 4: Simplify right side
    55,140.90x = 2,114,410,643.59
  5. Step 5: Solve for x
    x = 2,114,410,643.59/55,140.90
  6. Step 6: Final answer
    x = 38,345.60

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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.