Home / 51,274.44-70,790.76-39,314.79

Finding the Fourth Proportional to 51,274.44, 70,790.76 and 39,314.79

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Solution

The fourth proportional to 51,274.44, 70,790.76 and 39,314.79 is: 54,278.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,274.44 : 70,790.76 = 39,314.79 : x
  2. Step 2: Convert to fraction form
    51,274.44/70,790.76 = 39,314.79/x
  3. Step 3: Cross multiply
    51,274.44x = 70,790.76 × 39,314.79
  4. Step 4: Simplify right side
    51,274.44x = 2,783,123,863.34
  5. Step 5: Solve for x
    x = 2,783,123,863.34/51,274.44
  6. Step 6: Final answer
    x = 54,278.97

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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.