Home / 107,923.32-149,028.19-67,706.21

Finding the Fourth Proportional to 107,923.32, 149,028.19 and 67,706.21

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Solution

The fourth proportional to 107,923.32, 149,028.19 and 67,706.21 is: 93,493.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,923.32 : 149,028.19 = 67,706.21 : x
  2. Step 2: Convert to fraction form
    107,923.32/149,028.19 = 67,706.21/x
  3. Step 3: Cross multiply
    107,923.32x = 149,028.19 × 67,706.21
  4. Step 4: Simplify right side
    107,923.32x = 10,090,134,131.36
  5. Step 5: Solve for x
    x = 10,090,134,131.36/107,923.32
  6. Step 6: Final answer
    x = 93,493.55

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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.