Home / 86,179.44-129,137.16-57,995.04

Finding the Fourth Proportional to 86,179.44, 129,137.16 and 57,995.04

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Solution

The fourth proportional to 86,179.44, 129,137.16 and 57,995.04 is: 86,903.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    86,179.44 : 129,137.16 = 57,995.04 : x
  2. Step 2: Convert to fraction form
    86,179.44/129,137.16 = 57,995.04/x
  3. Step 3: Cross multiply
    86,179.44x = 129,137.16 × 57,995.04
  4. Step 4: Simplify right side
    86,179.44x = 7,489,314,759.69
  5. Step 5: Solve for x
    x = 7,489,314,759.69/86,179.44
  6. Step 6: Final answer
    x = 86,903.73

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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.