Home / 108,226.36-149,255.66-67,943.86

Finding the Fourth Proportional to 108,226.36, 149,255.66 and 67,943.86

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Solution

The fourth proportional to 108,226.36, 149,255.66 and 67,943.86 is: 93,701.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,226.36 : 149,255.66 = 67,943.86 : x
  2. Step 2: Convert to fraction form
    108,226.36/149,255.66 = 67,943.86/x
  3. Step 3: Cross multiply
    108,226.36x = 149,255.66 × 67,943.86
  4. Step 4: Simplify right side
    108,226.36x = 10,141,005,667.25
  5. Step 5: Solve for x
    x = 10,141,005,667.25/108,226.36
  6. Step 6: Final answer
    x = 93,701.81

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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.