Home / 68,524.38-102,760.65-29,100.06

Finding the Fourth Proportional to 68,524.38, 102,760.65 and 29,100.06

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Solution

The fourth proportional to 68,524.38, 102,760.65 and 29,100.06 is: 43,639.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,524.38 : 102,760.65 = 29,100.06 : x
  2. Step 2: Convert to fraction form
    68,524.38/102,760.65 = 29,100.06/x
  3. Step 3: Cross multiply
    68,524.38x = 102,760.65 × 29,100.06
  4. Step 4: Simplify right side
    68,524.38x = 2,990,341,080.64
  5. Step 5: Solve for x
    x = 2,990,341,080.64/68,524.38
  6. Step 6: Final answer
    x = 43,639.08

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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.