Home / 86,290.98-129,467.44-33,738.18

Finding the Fourth Proportional to 86,290.98, 129,467.44 and 33,738.18

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Solution

The fourth proportional to 86,290.98, 129,467.44 and 33,738.18 is: 50,619.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,290.98 : 129,467.44 = 33,738.18 : x
  2. Step 2: Convert to fraction form
    86,290.98/129,467.44 = 33,738.18/x
  3. Step 3: Cross multiply
    86,290.98x = 129,467.44 × 33,738.18
  4. Step 4: Simplify right side
    86,290.98x = 4,367,995,794.86
  5. Step 5: Solve for x
    x = 4,367,995,794.86/86,290.98
  6. Step 6: Final answer
    x = 50,619.38

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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.