Home / 103,968.12-155,950.68-25,081.68

Finding the Fourth Proportional to 103,968.12, 155,950.68 and 25,081.68

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Solution

The fourth proportional to 103,968.12, 155,950.68 and 25,081.68 is: 37,622.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,968.12 : 155,950.68 = 25,081.68 : x
  2. Step 2: Convert to fraction form
    103,968.12/155,950.68 = 25,081.68/x
  3. Step 3: Cross multiply
    103,968.12x = 155,950.68 × 25,081.68
  4. Step 4: Simplify right side
    103,968.12x = 3,911,505,051.54
  5. Step 5: Solve for x
    x = 3,911,505,051.54/103,968.12
  6. Step 6: Final answer
    x = 37,622.16

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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.