Home / 107,993.21-149,033.57-67,703.19

Finding the Fourth Proportional to 107,993.21, 149,033.57 and 67,703.19

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Solution

The fourth proportional to 107,993.21, 149,033.57 and 67,703.19 is: 93,432.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    107,993.21 : 149,033.57 = 67,703.19 : x
  2. Step 2: Convert to fraction form
    107,993.21/149,033.57 = 67,703.19/x
  3. Step 3: Cross multiply
    107,993.21x = 149,033.57 × 67,703.19
  4. Step 4: Simplify right side
    107,993.21x = 10,090,047,767.57
  5. Step 5: Solve for x
    x = 10,090,047,767.57/107,993.21
  6. Step 6: Final answer
    x = 93,432.25

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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.