Home / 68,255.79-102,335.16-26,100.36

Finding the Fourth Proportional to 68,255.79, 102,335.16 and 26,100.36

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Solution

The fourth proportional to 68,255.79, 102,335.16 and 26,100.36 is: 39,131.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,255.79 : 102,335.16 = 26,100.36 : x
  2. Step 2: Convert to fraction form
    68,255.79/102,335.16 = 26,100.36/x
  3. Step 3: Cross multiply
    68,255.79x = 102,335.16 × 26,100.36
  4. Step 4: Simplify right side
    68,255.79x = 2,670,984,516.66
  5. Step 5: Solve for x
    x = 2,670,984,516.66/68,255.79
  6. Step 6: Final answer
    x = 39,131.98

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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.