Home / 112,518.36-168,629.90-82,797.03

Finding the Fourth Proportional to 112,518.36, 168,629.90 and 82,797.03

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Solution

The fourth proportional to 112,518.36, 168,629.90 and 82,797.03 is: 124,086.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,518.36 : 168,629.90 = 82,797.03 : x
  2. Step 2: Convert to fraction form
    112,518.36/168,629.90 = 82,797.03/x
  3. Step 3: Cross multiply
    112,518.36x = 168,629.90 × 82,797.03
  4. Step 4: Simplify right side
    112,518.36x = 13,962,054,475.21
  5. Step 5: Solve for x
    x = 13,962,054,475.21/112,518.36
  6. Step 6: Final answer
    x = 124,086.90

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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.