Home / 71,954.08-107,986.60-46,987.36

Finding the Fourth Proportional to 71,954.08, 107,986.60 and 46,987.36

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Solution

The fourth proportional to 71,954.08, 107,986.60 and 46,987.36 is: 70,517.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,954.08 : 107,986.60 = 46,987.36 : x
  2. Step 2: Convert to fraction form
    71,954.08/107,986.60 = 46,987.36/x
  3. Step 3: Cross multiply
    71,954.08x = 107,986.60 × 46,987.36
  4. Step 4: Simplify right side
    71,954.08x = 5,074,005,249.38
  5. Step 5: Solve for x
    x = 5,074,005,249.38/71,954.08
  6. Step 6: Final answer
    x = 70,517.27

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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.