Home / 106,104.12-146,424.67-57,706.51

Finding the Fourth Proportional to 106,104.12, 146,424.67 and 57,706.51

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Solution

The fourth proportional to 106,104.12, 146,424.67 and 57,706.51 is: 79,635.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,104.12 : 146,424.67 = 57,706.51 : x
  2. Step 2: Convert to fraction form
    106,104.12/146,424.67 = 57,706.51/x
  3. Step 3: Cross multiply
    106,104.12x = 146,424.67 × 57,706.51
  4. Step 4: Simplify right side
    106,104.12x = 8,449,656,173.27
  5. Step 5: Solve for x
    x = 8,449,656,173.27/106,104.12
  6. Step 6: Final answer
    x = 79,635.51

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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.