Home / 89,105.40-133,584.09-46,961.94

Finding the Fourth Proportional to 89,105.40, 133,584.09 and 46,961.94

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Solution

The fourth proportional to 89,105.40, 133,584.09 and 46,961.94 is: 70,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,105.40 : 133,584.09 = 46,961.94 : x
  2. Step 2: Convert to fraction form
    89,105.40/133,584.09 = 46,961.94/x
  3. Step 3: Cross multiply
    89,105.40x = 133,584.09 × 46,961.94
  4. Step 4: Simplify right side
    89,105.40x = 6,273,368,019.53
  5. Step 5: Solve for x
    x = 6,273,368,019.53/89,105.40
  6. Step 6: Final answer
    x = 70,403.90

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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.