Home / 103,592.06-155,388.09-68,523.51

Finding the Fourth Proportional to 103,592.06, 155,388.09 and 68,523.51

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Solution

The fourth proportional to 103,592.06, 155,388.09 and 68,523.51 is: 102,785.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,592.06 : 155,388.09 = 68,523.51 : x
  2. Step 2: Convert to fraction form
    103,592.06/155,388.09 = 68,523.51/x
  3. Step 3: Cross multiply
    103,592.06x = 155,388.09 × 68,523.51
  4. Step 4: Simplify right side
    103,592.06x = 10,647,737,339.00
  5. Step 5: Solve for x
    x = 10,647,737,339.00/103,592.06
  6. Step 6: Final answer
    x = 102,785.27

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1.5x scale

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.