Home / 108,266.06-162,362.09-54,937.47

Finding the Fourth Proportional to 108,266.06, 162,362.09 and 54,937.47

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Solution

The fourth proportional to 108,266.06, 162,362.09 and 54,937.47 is: 82,387.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,266.06 : 162,362.09 = 54,937.47 : x
  2. Step 2: Convert to fraction form
    108,266.06/162,362.09 = 54,937.47/x
  3. Step 3: Cross multiply
    108,266.06x = 162,362.09 × 54,937.47
  4. Step 4: Simplify right side
    108,266.06x = 8,919,762,173.82
  5. Step 5: Solve for x
    x = 8,919,762,173.82/108,266.06
  6. Step 6: Final answer
    x = 82,387.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.