Home / 115,839.88-159,856.32-68,094.52

Finding the Fourth Proportional to 115,839.88, 159,856.32 and 68,094.52

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Solution

The fourth proportional to 115,839.88, 159,856.32 and 68,094.52 is: 93,968.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,839.88 : 159,856.32 = 68,094.52 : x
  2. Step 2: Convert to fraction form
    115,839.88/159,856.32 = 68,094.52/x
  3. Step 3: Cross multiply
    115,839.88x = 159,856.32 × 68,094.52
  4. Step 4: Simplify right side
    115,839.88x = 10,885,339,379.37
  5. Step 5: Solve for x
    x = 10,885,339,379.37/115,839.88
  6. Step 6: Final answer
    x = 93,968.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.