Home / 120,993.08-166,945.86-70,682.36

Finding the Fourth Proportional to 120,993.08, 166,945.86 and 70,682.36

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Solution

The fourth proportional to 120,993.08, 166,945.86 and 70,682.36 is: 97,527.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    120,993.08 : 166,945.86 = 70,682.36 : x
  2. Step 2: Convert to fraction form
    120,993.08/166,945.86 = 70,682.36/x
  3. Step 3: Cross multiply
    120,993.08x = 166,945.86 × 70,682.36
  4. Step 4: Simplify right side
    120,993.08x = 11,800,127,377.03
  5. Step 5: Solve for x
    x = 11,800,127,377.03/120,993.08
  6. Step 6: Final answer
    x = 97,527.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.