Home / 67,677.23-101,525.70-20,933.75

Finding the Fourth Proportional to 67,677.23, 101,525.70 and 20,933.75

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Solution

The fourth proportional to 67,677.23, 101,525.70 and 20,933.75 is: 31,403.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,677.23 : 101,525.70 = 20,933.75 : x
  2. Step 2: Convert to fraction form
    67,677.23/101,525.70 = 20,933.75/x
  3. Step 3: Cross multiply
    67,677.23x = 101,525.70 × 20,933.75
  4. Step 4: Simplify right side
    67,677.23x = 2,125,313,622.38
  5. Step 5: Solve for x
    x = 2,125,313,622.38/67,677.23
  6. Step 6: Final answer
    x = 31,403.67

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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.