Home / 50,110.88-75,091.60-45,684.96

Finding the Fourth Proportional to 50,110.88, 75,091.60 and 45,684.96

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Solution

The fourth proportional to 50,110.88, 75,091.60 and 45,684.96 is: 68,459.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,110.88 : 75,091.60 = 45,684.96 : x
  2. Step 2: Convert to fraction form
    50,110.88/75,091.60 = 45,684.96/x
  3. Step 3: Cross multiply
    50,110.88x = 75,091.60 × 45,684.96
  4. Step 4: Simplify right side
    50,110.88x = 3,430,556,742.34
  5. Step 5: Solve for x
    x = 3,430,556,742.34/50,110.88
  6. Step 6: Final answer
    x = 68,459.32

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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.