Home / 54,920.14-82,396.65-28,643.38

Finding the Fourth Proportional to 54,920.14, 82,396.65 and 28,643.38

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Solution

The fourth proportional to 54,920.14, 82,396.65 and 28,643.38 is: 42,973.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,920.14 : 82,396.65 = 28,643.38 : x
  2. Step 2: Convert to fraction form
    54,920.14/82,396.65 = 28,643.38/x
  3. Step 3: Cross multiply
    54,920.14x = 82,396.65 × 28,643.38
  4. Step 4: Simplify right side
    54,920.14x = 2,360,118,556.68
  5. Step 5: Solve for x
    x = 2,360,118,556.68/54,920.14
  6. Step 6: Final answer
    x = 42,973.64

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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.