Home / 108,009.08-162,049.14-51,107.42

Finding the Fourth Proportional to 108,009.08, 162,049.14 and 51,107.42

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Solution

The fourth proportional to 108,009.08, 162,049.14 and 51,107.42 is: 76,677.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    108,009.08 : 162,049.14 = 51,107.42 : x
  2. Step 2: Convert to fraction form
    108,009.08/162,049.14 = 51,107.42/x
  3. Step 3: Cross multiply
    108,009.08x = 162,049.14 × 51,107.42
  4. Step 4: Simplify right side
    108,009.08x = 8,281,913,458.62
  5. Step 5: Solve for x
    x = 8,281,913,458.62/108,009.08
  6. Step 6: Final answer
    x = 76,677.94

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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.