Home / 79,145.58-118,724.52-22,986.60

Finding the Fourth Proportional to 79,145.58, 118,724.52 and 22,986.60

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Solution

The fourth proportional to 79,145.58, 118,724.52 and 22,986.60 is: 34,481.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,145.58 : 118,724.52 = 22,986.60 : x
  2. Step 2: Convert to fraction form
    79,145.58/118,724.52 = 22,986.60/x
  3. Step 3: Cross multiply
    79,145.58x = 118,724.52 × 22,986.60
  4. Step 4: Simplify right side
    79,145.58x = 2,729,073,051.43
  5. Step 5: Solve for x
    x = 2,729,073,051.43/79,145.58
  6. Step 6: Final answer
    x = 34,481.69

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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.