Home / 108,439.36-149,644.77-60,036.64

Finding the Fourth Proportional to 108,439.36, 149,644.77 and 60,036.64

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Solution

The fourth proportional to 108,439.36, 149,644.77 and 60,036.64 is: 82,849.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,439.36 : 149,644.77 = 60,036.64 : x
  2. Step 2: Convert to fraction form
    108,439.36/149,644.77 = 60,036.64/x
  3. Step 3: Cross multiply
    108,439.36x = 149,644.77 × 60,036.64
  4. Step 4: Simplify right side
    108,439.36x = 8,984,169,426.88
  5. Step 5: Solve for x
    x = 8,984,169,426.88/108,439.36
  6. Step 6: Final answer
    x = 82,849.71

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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.