Home / 108,118.82-149,203.92-60,372.14

Finding the Fourth Proportional to 108,118.82, 149,203.92 and 60,372.14

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Solution

The fourth proportional to 108,118.82, 149,203.92 and 60,372.14 is: 83,313.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,118.82 : 149,203.92 = 60,372.14 : x
  2. Step 2: Convert to fraction form
    108,118.82/149,203.92 = 60,372.14/x
  3. Step 3: Cross multiply
    108,118.82x = 149,203.92 × 60,372.14
  4. Step 4: Simplify right side
    108,118.82x = 9,007,759,946.79
  5. Step 5: Solve for x
    x = 9,007,759,946.79/108,118.82
  6. Step 6: Final answer
    x = 83,313.52

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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.