Home / 57,016.66-78,704.94-51,037.78

Finding the Fourth Proportional to 57,016.66, 78,704.94 and 51,037.78

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Solution

The fourth proportional to 57,016.66, 78,704.94 and 51,037.78 is: 70,451.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,016.66 : 78,704.94 = 51,037.78 : x
  2. Step 2: Convert to fraction form
    57,016.66/78,704.94 = 51,037.78/x
  3. Step 3: Cross multiply
    57,016.66x = 78,704.94 × 51,037.78
  4. Step 4: Simplify right side
    57,016.66x = 4,016,925,412.63
  5. Step 5: Solve for x
    x = 4,016,925,412.63/57,016.66
  6. Step 6: Final answer
    x = 70,451.78

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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.