Home / 68,268.96-102,333.16-26,139.12

Finding the Fourth Proportional to 68,268.96, 102,333.16 and 26,139.12

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Solution

The fourth proportional to 68,268.96, 102,333.16 and 26,139.12 is: 39,181.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,268.96 : 102,333.16 = 26,139.12 : x
  2. Step 2: Convert to fraction form
    68,268.96/102,333.16 = 26,139.12/x
  3. Step 3: Cross multiply
    68,268.96x = 102,333.16 × 26,139.12
  4. Step 4: Simplify right side
    68,268.96x = 2,674,898,749.22
  5. Step 5: Solve for x
    x = 2,674,898,749.22/68,268.96
  6. Step 6: Final answer
    x = 39,181.77

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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.