Home / 76,745.68-115,146.06-26,839.51

Finding the Fourth Proportional to 76,745.68, 115,146.06 and 26,839.51

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Solution

The fourth proportional to 76,745.68, 115,146.06 and 26,839.51 is: 40,268.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,745.68 : 115,146.06 = 26,839.51 : x
  2. Step 2: Convert to fraction form
    76,745.68/115,146.06 = 26,839.51/x
  3. Step 3: Cross multiply
    76,745.68x = 115,146.06 × 26,839.51
  4. Step 4: Simplify right side
    76,745.68x = 3,090,463,828.83
  5. Step 5: Solve for x
    x = 3,090,463,828.83/76,745.68
  6. Step 6: Final answer
    x = 40,268.90

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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.