Home / 68,509.06-102,701.32-26,362.26

Finding the Fourth Proportional to 68,509.06, 102,701.32 and 26,362.26

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Solution

The fourth proportional to 68,509.06, 102,701.32 and 26,362.26 is: 39,519.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,509.06 : 102,701.32 = 26,362.26 : x
  2. Step 2: Convert to fraction form
    68,509.06/102,701.32 = 26,362.26/x
  3. Step 3: Cross multiply
    68,509.06x = 102,701.32 × 26,362.26
  4. Step 4: Simplify right side
    68,509.06x = 2,707,438,900.18
  5. Step 5: Solve for x
    x = 2,707,438,900.18/68,509.06
  6. Step 6: Final answer
    x = 39,519.43

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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.