Home / 111,705.35-167,677.40-45,188.96

Finding the Fourth Proportional to 111,705.35, 167,677.40 and 45,188.96

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Solution

The fourth proportional to 111,705.35, 167,677.40 and 45,188.96 is: 67,831.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    111,705.35 : 167,677.40 = 45,188.96 : x
  2. Step 2: Convert to fraction form
    111,705.35/167,677.40 = 45,188.96/x
  3. Step 3: Cross multiply
    111,705.35x = 167,677.40 × 45,188.96
  4. Step 4: Simplify right side
    111,705.35x = 7,577,166,676.37
  5. Step 5: Solve for x
    x = 7,577,166,676.37/111,705.35
  6. Step 6: Final answer
    x = 67,831.73

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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.