Home / 87,765.06-131,482.26-43,339.80

Finding the Fourth Proportional to 87,765.06, 131,482.26 and 43,339.80

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Solution

The fourth proportional to 87,765.06, 131,482.26 and 43,339.80 is: 64,928.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,765.06 : 131,482.26 = 43,339.80 : x
  2. Step 2: Convert to fraction form
    87,765.06/131,482.26 = 43,339.80/x
  3. Step 3: Cross multiply
    87,765.06x = 131,482.26 × 43,339.80
  4. Step 4: Simplify right side
    87,765.06x = 5,698,414,851.95
  5. Step 5: Solve for x
    x = 5,698,414,851.95/87,765.06
  6. Step 6: Final answer
    x = 64,928.06

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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.