Home / 85,479.23-117,961.70-46,717.83

Finding the Fourth Proportional to 85,479.23, 117,961.70 and 46,717.83

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Solution

The fourth proportional to 85,479.23, 117,961.70 and 46,717.83 is: 64,470.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,479.23 : 117,961.70 = 46,717.83 : x
  2. Step 2: Convert to fraction form
    85,479.23/117,961.70 = 46,717.83/x
  3. Step 3: Cross multiply
    85,479.23x = 117,961.70 × 46,717.83
  4. Step 4: Simplify right side
    85,479.23x = 5,510,914,855.88
  5. Step 5: Solve for x
    x = 5,510,914,855.88/85,479.23
  6. Step 6: Final answer
    x = 64,470.81

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.