Home / 108,175.10-162,192.38-45,038.43

Finding the Fourth Proportional to 108,175.10, 162,192.38 and 45,038.43

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Solution

The fourth proportional to 108,175.10, 162,192.38 and 45,038.43 is: 67,528.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,175.10 : 162,192.38 = 45,038.43 : x
  2. Step 2: Convert to fraction form
    108,175.10/162,192.38 = 45,038.43/x
  3. Step 3: Cross multiply
    108,175.10x = 162,192.38 × 45,038.43
  4. Step 4: Simplify right side
    108,175.10x = 7,304,889,927.97
  5. Step 5: Solve for x
    x = 7,304,889,927.97/108,175.10
  6. Step 6: Final answer
    x = 67,528.39

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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.