Home / 108,943.64-150,370.80-61,212.37

Finding the Fourth Proportional to 108,943.64, 150,370.80 and 61,212.37

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Solution

The fourth proportional to 108,943.64, 150,370.80 and 61,212.37 is: 84,489.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,943.64 : 150,370.80 = 61,212.37 : x
  2. Step 2: Convert to fraction form
    108,943.64/150,370.80 = 61,212.37/x
  3. Step 3: Cross multiply
    108,943.64x = 150,370.80 × 61,212.37
  4. Step 4: Simplify right side
    108,943.64x = 9,204,553,046.80
  5. Step 5: Solve for x
    x = 9,204,553,046.80/108,943.64
  6. Step 6: Final answer
    x = 84,489.13

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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.