Home / 54,195.40-81,325.50-19,164.52

Finding the Fourth Proportional to 54,195.40, 81,325.50 and 19,164.52

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Solution

The fourth proportional to 54,195.40, 81,325.50 and 19,164.52 is: 28,758.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,195.40 : 81,325.50 = 19,164.52 : x
  2. Step 2: Convert to fraction form
    54,195.40/81,325.50 = 19,164.52/x
  3. Step 3: Cross multiply
    54,195.40x = 81,325.50 × 19,164.52
  4. Step 4: Simplify right side
    54,195.40x = 1,558,564,171.26
  5. Step 5: Solve for x
    x = 1,558,564,171.26/54,195.40
  6. Step 6: Final answer
    x = 28,758.24

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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.