Home / 109,822.06-164,915.26-68,531.50

Finding the Fourth Proportional to 109,822.06, 164,915.26 and 68,531.50

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Solution

The fourth proportional to 109,822.06, 164,915.26 and 68,531.50 is: 102,910.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,822.06 : 164,915.26 = 68,531.50 : x
  2. Step 2: Convert to fraction form
    109,822.06/164,915.26 = 68,531.50/x
  3. Step 3: Cross multiply
    109,822.06x = 164,915.26 × 68,531.50
  4. Step 4: Simplify right side
    109,822.06x = 11,301,890,140.69
  5. Step 5: Solve for x
    x = 11,301,890,140.69/109,822.06
  6. Step 6: Final answer
    x = 102,910.93

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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.