Home / 85,198.40-127,701.60-40,846.40

Finding the Fourth Proportional to 85,198.40, 127,701.60 and 40,846.40

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Solution

The fourth proportional to 85,198.40, 127,701.60 and 40,846.40 is: 61,223.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,198.40 : 127,701.60 = 40,846.40 : x
  2. Step 2: Convert to fraction form
    85,198.40/127,701.60 = 40,846.40/x
  3. Step 3: Cross multiply
    85,198.40x = 127,701.60 × 40,846.40
  4. Step 4: Simplify right side
    85,198.40x = 5,216,150,634.24
  5. Step 5: Solve for x
    x = 5,216,150,634.24/85,198.40
  6. Step 6: Final answer
    x = 61,223.58

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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.