Home / 111,705.72-167,677.96-45,189.33

Finding the Fourth Proportional to 111,705.72, 167,677.96 and 45,189.33

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Solution

The fourth proportional to 111,705.72, 167,677.96 and 45,189.33 is: 67,832.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,705.72 : 167,677.96 = 45,189.33 : x
  2. Step 2: Convert to fraction form
    111,705.72/167,677.96 = 45,189.33/x
  3. Step 3: Cross multiply
    111,705.72x = 167,677.96 × 45,189.33
  4. Step 4: Simplify right side
    111,705.72x = 7,577,254,974.39
  5. Step 5: Solve for x
    x = 7,577,254,974.39/111,705.72
  6. Step 6: Final answer
    x = 67,832.29

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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.