Home / 80,968.23-121,453.53-36,564.03

Finding the Fourth Proportional to 80,968.23, 121,453.53 and 36,564.03

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Solution

The fourth proportional to 80,968.23, 121,453.53 and 36,564.03 is: 54,846.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    80,968.23 : 121,453.53 = 36,564.03 : x
  2. Step 2: Convert to fraction form
    80,968.23/121,453.53 = 36,564.03/x
  3. Step 3: Cross multiply
    80,968.23x = 121,453.53 × 36,564.03
  4. Step 4: Simplify right side
    80,968.23x = 4,440,830,514.53
  5. Step 5: Solve for x
    x = 4,440,830,514.53/80,968.23
  6. Step 6: Final answer
    x = 54,846.58

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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.