Home / 43,067.25-64,600.88-11,902.50

Finding the Fourth Proportional to 43,067.25, 64,600.88 and 11,902.50

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Solution

The fourth proportional to 43,067.25, 64,600.88 and 11,902.50 is: 17,853.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,067.25 : 64,600.88 = 11,902.50 : x
  2. Step 2: Convert to fraction form
    43,067.25/64,600.88 = 11,902.50/x
  3. Step 3: Cross multiply
    43,067.25x = 64,600.88 × 11,902.50
  4. Step 4: Simplify right side
    43,067.25x = 768,911,914.69
  5. Step 5: Solve for x
    x = 768,911,914.69/43,067.25
  6. Step 6: Final answer
    x = 17,853.75

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1.5x scale

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.