Home / 114,986.48-172,469.14-30,743.62

Finding the Fourth Proportional to 114,986.48, 172,469.14 and 30,743.62

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Solution

The fourth proportional to 114,986.48, 172,469.14 and 30,743.62 is: 46,112.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    114,986.48 : 172,469.14 = 30,743.62 : x
  2. Step 2: Convert to fraction form
    114,986.48/172,469.14 = 30,743.62/x
  3. Step 3: Cross multiply
    114,986.48x = 172,469.14 × 30,743.62
  4. Step 4: Simplify right side
    114,986.48x = 5,302,325,701.89
  5. Step 5: Solve for x
    x = 5,302,325,701.89/114,986.48
  6. Step 6: Final answer
    x = 46,112.60

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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.