Home / 95,981.54-143,910.64-39,860.36

Finding the Fourth Proportional to 95,981.54, 143,910.64 and 39,860.36

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Solution

The fourth proportional to 95,981.54, 143,910.64 and 39,860.36 is: 59,764.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    95,981.54 : 143,910.64 = 39,860.36 : x
  2. Step 2: Convert to fraction form
    95,981.54/143,910.64 = 39,860.36/x
  3. Step 3: Cross multiply
    95,981.54x = 143,910.64 × 39,860.36
  4. Step 4: Simplify right side
    95,981.54x = 5,736,329,918.23
  5. Step 5: Solve for x
    x = 5,736,329,918.23/95,981.54
  6. Step 6: Final answer
    x = 59,764.93

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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.