Home / 43,082.75-64,628.76-18,125.34

Finding the Fourth Proportional to 43,082.75, 64,628.76 and 18,125.34

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Solution

The fourth proportional to 43,082.75, 64,628.76 and 18,125.34 is: 27,189.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,082.75 : 64,628.76 = 18,125.34 : x
  2. Step 2: Convert to fraction form
    43,082.75/64,628.76 = 18,125.34/x
  3. Step 3: Cross multiply
    43,082.75x = 64,628.76 × 18,125.34
  4. Step 4: Simplify right side
    43,082.75x = 1,171,418,248.78
  5. Step 5: Solve for x
    x = 1,171,418,248.78/43,082.75
  6. Step 6: Final answer
    x = 27,189.96

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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.