Home / 50,278.75-75,449.89-28,106.67

Finding the Fourth Proportional to 50,278.75, 75,449.89 and 28,106.67

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Solution

The fourth proportional to 50,278.75, 75,449.89 and 28,106.67 is: 42,177.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,278.75 : 75,449.89 = 28,106.67 : x
  2. Step 2: Convert to fraction form
    50,278.75/75,449.89 = 28,106.67/x
  3. Step 3: Cross multiply
    50,278.75x = 75,449.89 × 28,106.67
  4. Step 4: Simplify right side
    50,278.75x = 2,120,645,159.77
  5. Step 5: Solve for x
    x = 2,120,645,159.77/50,278.75
  6. Step 6: Final answer
    x = 42,177.76

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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.