Home / 60,729.75-91,109.21-19,176.75

Finding the Fourth Proportional to 60,729.75, 91,109.21 and 19,176.75

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Solution

The fourth proportional to 60,729.75, 91,109.21 and 19,176.75 is: 28,769.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,729.75 : 91,109.21 = 19,176.75 : x
  2. Step 2: Convert to fraction form
    60,729.75/91,109.21 = 19,176.75/x
  3. Step 3: Cross multiply
    60,729.75x = 91,109.21 × 19,176.75
  4. Step 4: Simplify right side
    60,729.75x = 1,747,178,446.98
  5. Step 5: Solve for x
    x = 1,747,178,446.98/60,729.75
  6. Step 6: Final answer
    x = 28,769.73

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1.5x scale

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.