Home / 86,839.08-130,253.62-33,520.64

Finding the Fourth Proportional to 86,839.08, 130,253.62 and 33,520.64

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Solution

The fourth proportional to 86,839.08, 130,253.62 and 33,520.64 is: 50,279.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,839.08 : 130,253.62 = 33,520.64 : x
  2. Step 2: Convert to fraction form
    86,839.08/130,253.62 = 33,520.64/x
  3. Step 3: Cross multiply
    86,839.08x = 130,253.62 × 33,520.64
  4. Step 4: Simplify right side
    86,839.08x = 4,366,184,704.72
  5. Step 5: Solve for x
    x = 4,366,184,704.72/86,839.08
  6. Step 6: Final answer
    x = 50,279.03

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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.