Home / 68,217.12-102,389.67-41,973.12

Finding the Fourth Proportional to 68,217.12, 102,389.67 and 41,973.12

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Solution

The fourth proportional to 68,217.12, 102,389.67 and 41,973.12 is: 62,999.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,217.12 : 102,389.67 = 41,973.12 : x
  2. Step 2: Convert to fraction form
    68,217.12/102,389.67 = 41,973.12/x
  3. Step 3: Cross multiply
    68,217.12x = 102,389.67 × 41,973.12
  4. Step 4: Simplify right side
    68,217.12x = 4,297,613,905.67
  5. Step 5: Solve for x
    x = 4,297,613,905.67/68,217.12
  6. Step 6: Final answer
    x = 62,999.05

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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.