Home / 108,813.24-163,121.36-38,676.14

Finding the Fourth Proportional to 108,813.24, 163,121.36 and 38,676.14

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Solution

The fourth proportional to 108,813.24, 163,121.36 and 38,676.14 is: 57,979.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,813.24 : 163,121.36 = 38,676.14 : x
  2. Step 2: Convert to fraction form
    108,813.24/163,121.36 = 38,676.14/x
  3. Step 3: Cross multiply
    108,813.24x = 163,121.36 × 38,676.14
  4. Step 4: Simplify right side
    108,813.24x = 6,308,904,556.35
  5. Step 5: Solve for x
    x = 6,308,904,556.35/108,813.24
  6. Step 6: Final answer
    x = 57,979.20

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1.5x scale

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.