Home / 73,118.75-100,904.01-39,584.75

Finding the Fourth Proportional to 73,118.75, 100,904.01 and 39,584.75

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Solution

The fourth proportional to 73,118.75, 100,904.01 and 39,584.75 is: 54,627.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,118.75 : 100,904.01 = 39,584.75 : x
  2. Step 2: Convert to fraction form
    73,118.75/100,904.01 = 39,584.75/x
  3. Step 3: Cross multiply
    73,118.75x = 100,904.01 × 39,584.75
  4. Step 4: Simplify right side
    73,118.75x = 3,994,260,009.85
  5. Step 5: Solve for x
    x = 3,994,260,009.85/73,118.75
  6. Step 6: Final answer
    x = 54,627.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.