Home / 68,215.12-102,386.67-41,971.12

Finding the Fourth Proportional to 68,215.12, 102,386.67 and 41,971.12

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Solution

The fourth proportional to 68,215.12, 102,386.67 and 41,971.12 is: 62,996.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,215.12 : 102,386.67 = 41,971.12 : x
  2. Step 2: Convert to fraction form
    68,215.12/102,386.67 = 41,971.12/x
  3. Step 3: Cross multiply
    68,215.12x = 102,386.67 × 41,971.12
  4. Step 4: Simplify right side
    68,215.12x = 4,297,283,212.97
  5. Step 5: Solve for x
    x = 4,297,283,212.97/68,215.12
  6. Step 6: Final answer
    x = 62,996.05

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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.