Home / 53,380.52-80,082.12-15,943.52

Finding the Fourth Proportional to 53,380.52, 80,082.12 and 15,943.52

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Solution

The fourth proportional to 53,380.52, 80,082.12 and 15,943.52 is: 23,918.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,380.52 : 80,082.12 = 15,943.52 : x
  2. Step 2: Convert to fraction form
    53,380.52/80,082.12 = 15,943.52/x
  3. Step 3: Cross multiply
    53,380.52x = 80,082.12 × 15,943.52
  4. Step 4: Simplify right side
    53,380.52x = 1,276,790,881.86
  5. Step 5: Solve for x
    x = 1,276,790,881.86/53,380.52
  6. Step 6: Final answer
    x = 23,918.67

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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.