Home / 63,012.20-86,960.76-34,717.88

Finding the Fourth Proportional to 63,012.20, 86,960.76 and 34,717.88

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Solution

The fourth proportional to 63,012.20, 86,960.76 and 34,717.88 is: 47,912.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,012.20 : 86,960.76 = 34,717.88 : x
  2. Step 2: Convert to fraction form
    63,012.20/86,960.76 = 34,717.88/x
  3. Step 3: Cross multiply
    63,012.20x = 86,960.76 × 34,717.88
  4. Step 4: Simplify right side
    63,012.20x = 3,019,093,230.39
  5. Step 5: Solve for x
    x = 3,019,093,230.39/63,012.20
  6. Step 6: Final answer
    x = 47,912.84

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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.