Home / 54,974.02-82,461.22-13,421.02

Finding the Fourth Proportional to 54,974.02, 82,461.22 and 13,421.02

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Solution

The fourth proportional to 54,974.02, 82,461.22 and 13,421.02 is: 20,131.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,974.02 : 82,461.22 = 13,421.02 : x
  2. Step 2: Convert to fraction form
    54,974.02/82,461.22 = 13,421.02/x
  3. Step 3: Cross multiply
    54,974.02x = 82,461.22 × 13,421.02
  4. Step 4: Simplify right side
    54,974.02x = 1,106,713,682.84
  5. Step 5: Solve for x
    x = 1,106,713,682.84/54,974.02
  6. Step 6: Final answer
    x = 20,131.58

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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.