Home / 54,913.68-82,370.52-13,360.32

Finding the Fourth Proportional to 54,913.68, 82,370.52 and 13,360.32

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Solution

The fourth proportional to 54,913.68, 82,370.52 and 13,360.32 is: 20,040.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,913.68 : 82,370.52 = 13,360.32 : x
  2. Step 2: Convert to fraction form
    54,913.68/82,370.52 = 13,360.32/x
  3. Step 3: Cross multiply
    54,913.68x = 82,370.52 × 13,360.32
  4. Step 4: Simplify right side
    54,913.68x = 1,100,496,505.77
  5. Step 5: Solve for x
    x = 1,100,496,505.77/54,913.68
  6. Step 6: Final answer
    x = 20,040.48

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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.