Home / 108,147.54-162,165.93-57,575.30

Finding the Fourth Proportional to 108,147.54, 162,165.93 and 57,575.30

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Solution

The fourth proportional to 108,147.54, 162,165.93 and 57,575.30 is: 86,333.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,147.54 : 162,165.93 = 57,575.30 : x
  2. Step 2: Convert to fraction form
    108,147.54/162,165.93 = 57,575.30/x
  3. Step 3: Cross multiply
    108,147.54x = 162,165.93 × 57,575.30
  4. Step 4: Simplify right side
    108,147.54x = 9,336,751,258.70
  5. Step 5: Solve for x
    x = 9,336,751,258.70/108,147.54
  6. Step 6: Final answer
    x = 86,333.46

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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.