Home / 63,765.22-87,996.90-35,086.36

Finding the Fourth Proportional to 63,765.22, 87,996.90 and 35,086.36

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Solution

The fourth proportional to 63,765.22, 87,996.90 and 35,086.36 is: 48,419.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,765.22 : 87,996.90 = 35,086.36 : x
  2. Step 2: Convert to fraction form
    63,765.22/87,996.90 = 35,086.36/x
  3. Step 3: Cross multiply
    63,765.22x = 87,996.90 × 35,086.36
  4. Step 4: Simplify right side
    63,765.22x = 3,087,490,912.28
  5. Step 5: Solve for x
    x = 3,087,490,912.28/63,765.22
  6. Step 6: Final answer
    x = 48,419.67

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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.