Home / 88,019.03-131,975.82-28,021.59

Finding the Fourth Proportional to 88,019.03, 131,975.82 and 28,021.59

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Solution

The fourth proportional to 88,019.03, 131,975.82 and 28,021.59 is: 42,015.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,019.03 : 131,975.82 = 28,021.59 : x
  2. Step 2: Convert to fraction form
    88,019.03/131,975.82 = 28,021.59/x
  3. Step 3: Cross multiply
    88,019.03x = 131,975.82 × 28,021.59
  4. Step 4: Simplify right side
    88,019.03x = 3,698,172,317.95
  5. Step 5: Solve for x
    x = 3,698,172,317.95/88,019.03
  6. Step 6: Final answer
    x = 42,015.60

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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.