Home / 109,823.06-164,916.76-68,532.50

Finding the Fourth Proportional to 109,823.06, 164,916.76 and 68,532.50

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Solution

The fourth proportional to 109,823.06, 164,916.76 and 68,532.50 is: 102,912.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,823.06 : 164,916.76 = 68,532.50 : x
  2. Step 2: Convert to fraction form
    109,823.06/164,916.76 = 68,532.50/x
  3. Step 3: Cross multiply
    109,823.06x = 164,916.76 × 68,532.50
  4. Step 4: Simplify right side
    109,823.06x = 11,302,157,854.70
  5. Step 5: Solve for x
    x = 11,302,157,854.70/109,823.06
  6. Step 6: Final answer
    x = 102,912.43

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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.