Home / 50,190.95-75,286.07-12,751.13

Finding the Fourth Proportional to 50,190.95, 75,286.07 and 12,751.13

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Solution

The fourth proportional to 50,190.95, 75,286.07 and 12,751.13 is: 19,126.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,190.95 : 75,286.07 = 12,751.13 : x
  2. Step 2: Convert to fraction form
    50,190.95/75,286.07 = 12,751.13/x
  3. Step 3: Cross multiply
    50,190.95x = 75,286.07 × 12,751.13
  4. Step 4: Simplify right side
    50,190.95x = 959,982,465.76
  5. Step 5: Solve for x
    x = 959,982,465.76/50,190.95
  6. Step 6: Final answer
    x = 19,126.60

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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.