Home / 108,216.14-149,337.81-60,469.49

Finding the Fourth Proportional to 108,216.14, 149,337.81 and 60,469.49

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Solution

The fourth proportional to 108,216.14, 149,337.81 and 60,469.49 is: 83,447.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,216.14 : 149,337.81 = 60,469.49 : x
  2. Step 2: Convert to fraction form
    108,216.14/149,337.81 = 60,469.49/x
  3. Step 3: Cross multiply
    108,216.14x = 149,337.81 × 60,469.49
  4. Step 4: Simplify right side
    108,216.14x = 9,030,380,996.84
  5. Step 5: Solve for x
    x = 9,030,380,996.84/108,216.14
  6. Step 6: Final answer
    x = 83,447.64

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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.