Home / 89,291.31-133,936.16-26,961.81

Finding the Fourth Proportional to 89,291.31, 133,936.16 and 26,961.81

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Solution

The fourth proportional to 89,291.31, 133,936.16 and 26,961.81 is: 40,442.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,291.31 : 133,936.16 = 26,961.81 : x
  2. Step 2: Convert to fraction form
    89,291.31/133,936.16 = 26,961.81/x
  3. Step 3: Cross multiply
    89,291.31x = 133,936.16 × 26,961.81
  4. Step 4: Simplify right side
    89,291.31x = 3,611,161,163.24
  5. Step 5: Solve for x
    x = 3,611,161,163.24/89,291.31
  6. Step 6: Final answer
    x = 40,442.47

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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.