Home / 53,163.38-73,376.08-30,517.67

Finding the Fourth Proportional to 53,163.38, 73,376.08 and 30,517.67

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Solution

The fourth proportional to 53,163.38, 73,376.08 and 30,517.67 is: 42,120.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,163.38 : 73,376.08 = 30,517.67 : x
  2. Step 2: Convert to fraction form
    53,163.38/73,376.08 = 30,517.67/x
  3. Step 3: Cross multiply
    53,163.38x = 73,376.08 × 30,517.67
  4. Step 4: Simplify right side
    53,163.38x = 2,239,267,102.48
  5. Step 5: Solve for x
    x = 2,239,267,102.48/53,163.38
  6. Step 6: Final answer
    x = 42,120.48

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1.5x scale

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.