Home / 95,979.54-143,907.64-39,858.36

Finding the Fourth Proportional to 95,979.54, 143,907.64 and 39,858.36

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Solution

The fourth proportional to 95,979.54, 143,907.64 and 39,858.36 is: 59,761.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,979.54 : 143,907.64 = 39,858.36 : x
  2. Step 2: Convert to fraction form
    95,979.54/143,907.64 = 39,858.36/x
  3. Step 3: Cross multiply
    95,979.54x = 143,907.64 × 39,858.36
  4. Step 4: Simplify right side
    95,979.54x = 5,735,922,521.87
  5. Step 5: Solve for x
    x = 5,735,922,521.87/95,979.54
  6. Step 6: Final answer
    x = 59,761.93

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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.