Home / 86,785.36-130,191.64-27,634.32

Finding the Fourth Proportional to 86,785.36, 130,191.64 and 27,634.32

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Solution

The fourth proportional to 86,785.36, 130,191.64 and 27,634.32 is: 41,455.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,785.36 : 130,191.64 = 27,634.32 : x
  2. Step 2: Convert to fraction form
    86,785.36/130,191.64 = 27,634.32/x
  3. Step 3: Cross multiply
    86,785.36x = 130,191.64 × 27,634.32
  4. Step 4: Simplify right side
    86,785.36x = 3,597,757,441.08
  5. Step 5: Solve for x
    x = 3,597,757,441.08/86,785.36
  6. Step 6: Final answer
    x = 41,455.81

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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.