Home / 54,978.02-82,467.22-13,425.02

Finding the Fourth Proportional to 54,978.02, 82,467.22 and 13,425.02

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Solution

The fourth proportional to 54,978.02, 82,467.22 and 13,425.02 is: 20,137.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,978.02 : 82,467.22 = 13,425.02 : x
  2. Step 2: Convert to fraction form
    54,978.02/82,467.22 = 13,425.02/x
  3. Step 3: Cross multiply
    54,978.02x = 82,467.22 × 13,425.02
  4. Step 4: Simplify right side
    54,978.02x = 1,107,124,077.84
  5. Step 5: Solve for x
    x = 1,107,124,077.84/54,978.02
  6. Step 6: Final answer
    x = 20,137.58

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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.