Home / 85,300.24-127,964.67-26,121.64

Finding the Fourth Proportional to 85,300.24, 127,964.67 and 26,121.64

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Solution

The fourth proportional to 85,300.24, 127,964.67 and 26,121.64 is: 39,186.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,300.24 : 127,964.67 = 26,121.64 : x
  2. Step 2: Convert to fraction form
    85,300.24/127,964.67 = 26,121.64/x
  3. Step 3: Cross multiply
    85,300.24x = 127,964.67 × 26,121.64
  4. Step 4: Simplify right side
    85,300.24x = 3,342,647,042.46
  5. Step 5: Solve for x
    x = 3,342,647,042.46/85,300.24
  6. Step 6: Final answer
    x = 39,186.84

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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.