Home / 54,152.14-81,207.98-18,603.36

Finding the Fourth Proportional to 54,152.14, 81,207.98 and 18,603.36

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Solution

The fourth proportional to 54,152.14, 81,207.98 and 18,603.36 is: 27,898.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,152.14 : 81,207.98 = 18,603.36 : x
  2. Step 2: Convert to fraction form
    54,152.14/81,207.98 = 18,603.36/x
  3. Step 3: Cross multiply
    54,152.14x = 81,207.98 × 18,603.36
  4. Step 4: Simplify right side
    54,152.14x = 1,510,741,286.81
  5. Step 5: Solve for x
    x = 1,510,741,286.81/54,152.14
  6. Step 6: Final answer
    x = 27,898.09

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1.5x scale

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.