Home / 54,975.02-82,462.72-13,422.02

Finding the Fourth Proportional to 54,975.02, 82,462.72 and 13,422.02

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Solution

The fourth proportional to 54,975.02, 82,462.72 and 13,422.02 is: 20,133.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,975.02 : 82,462.72 = 13,422.02 : x
  2. Step 2: Convert to fraction form
    54,975.02/82,462.72 = 13,422.02/x
  3. Step 3: Cross multiply
    54,975.02x = 82,462.72 × 13,422.02
  4. Step 4: Simplify right side
    54,975.02x = 1,106,816,277.09
  5. Step 5: Solve for x
    x = 1,106,816,277.09/54,975.02
  6. Step 6: Final answer
    x = 20,133.08

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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.