Home / 89,045.82-133,590.54-40,991.94

Finding the Fourth Proportional to 89,045.82, 133,590.54 and 40,991.94

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Solution

The fourth proportional to 89,045.82, 133,590.54 and 40,991.94 is: 61,497.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,045.82 : 133,590.54 = 40,991.94 : x
  2. Step 2: Convert to fraction form
    89,045.82/133,590.54 = 40,991.94/x
  3. Step 3: Cross multiply
    89,045.82x = 133,590.54 × 40,991.94
  4. Step 4: Simplify right side
    89,045.82x = 5,476,135,400.25
  5. Step 5: Solve for x
    x = 5,476,135,400.25/89,045.82
  6. Step 6: Final answer
    x = 61,497.95

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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.