Home / 68,525.38-102,762.15-29,101.06

Finding the Fourth Proportional to 68,525.38, 102,762.15 and 29,101.06

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Solution

The fourth proportional to 68,525.38, 102,762.15 and 29,101.06 is: 43,640.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,525.38 : 102,762.15 = 29,101.06 : x
  2. Step 2: Convert to fraction form
    68,525.38/102,762.15 = 29,101.06/x
  3. Step 3: Cross multiply
    68,525.38x = 102,762.15 × 29,101.06
  4. Step 4: Simplify right side
    68,525.38x = 2,990,487,492.88
  5. Step 5: Solve for x
    x = 2,990,487,492.88/68,525.38
  6. Step 6: Final answer
    x = 43,640.58

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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.