Home / 54,668.42-82,014.14-30,987.32

Finding the Fourth Proportional to 54,668.42, 82,014.14 and 30,987.32

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Solution

The fourth proportional to 54,668.42, 82,014.14 and 30,987.32 is: 46,487.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,668.42 : 82,014.14 = 30,987.32 : x
  2. Step 2: Convert to fraction form
    54,668.42/82,014.14 = 30,987.32/x
  3. Step 3: Cross multiply
    54,668.42x = 82,014.14 × 30,987.32
  4. Step 4: Simplify right side
    54,668.42x = 2,541,398,400.70
  5. Step 5: Solve for x
    x = 2,541,398,400.70/54,668.42
  6. Step 6: Final answer
    x = 46,487.50

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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.