Home / 171,770.28-257,627.70-47,082.12

Finding the Fourth Proportional to 171,770.28, 257,627.70 and 47,082.12

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Solution

The fourth proportional to 171,770.28, 257,627.70 and 47,082.12 is: 70,615.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    171,770.28 : 257,627.70 = 47,082.12 : x
  2. Step 2: Convert to fraction form
    171,770.28/257,627.70 = 47,082.12/x
  3. Step 3: Cross multiply
    171,770.28x = 257,627.70 × 47,082.12
  4. Step 4: Simplify right side
    171,770.28x = 12,129,658,286.72
  5. Step 5: Solve for x
    x = 12,129,658,286.72/171,770.28
  6. Step 6: Final answer
    x = 70,615.58

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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.