Home / 62,729.75-94,109.21-21,176.75

Finding the Fourth Proportional to 62,729.75, 94,109.21 and 21,176.75

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Solution

The fourth proportional to 62,729.75, 94,109.21 and 21,176.75 is: 31,770.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,729.75 : 94,109.21 = 21,176.75 : x
  2. Step 2: Convert to fraction form
    62,729.75/94,109.21 = 21,176.75/x
  3. Step 3: Cross multiply
    62,729.75x = 94,109.21 × 21,176.75
  4. Step 4: Simplify right side
    62,729.75x = 1,992,927,212.87
  5. Step 5: Solve for x
    x = 1,992,927,212.87/62,729.75
  6. Step 6: Final answer
    x = 31,770.05

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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.