Home / 108,554.16-162,833.37-71,351.40

Finding the Fourth Proportional to 108,554.16, 162,833.37 and 71,351.40

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Solution

The fourth proportional to 108,554.16, 162,833.37 and 71,351.40 is: 107,028.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,554.16 : 162,833.37 = 71,351.40 : x
  2. Step 2: Convert to fraction form
    108,554.16/162,833.37 = 71,351.40/x
  3. Step 3: Cross multiply
    108,554.16x = 162,833.37 × 71,351.40
  4. Step 4: Simplify right side
    108,554.16x = 11,618,388,916.22
  5. Step 5: Solve for x
    x = 11,618,388,916.22/108,554.16
  6. Step 6: Final answer
    x = 107,028.50

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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.