Home / 85,245.28-127,863.30-26,080.94

Finding the Fourth Proportional to 85,245.28, 127,863.30 and 26,080.94

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Solution

The fourth proportional to 85,245.28, 127,863.30 and 26,080.94 is: 39,120.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,245.28 : 127,863.30 = 26,080.94 : x
  2. Step 2: Convert to fraction form
    85,245.28/127,863.30 = 26,080.94/x
  3. Step 3: Cross multiply
    85,245.28x = 127,863.30 × 26,080.94
  4. Step 4: Simplify right side
    85,245.28x = 3,334,795,055.50
  5. Step 5: Solve for x
    x = 3,334,795,055.50/85,245.28
  6. Step 6: Final answer
    x = 39,120.00

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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.