Home / 57,072.15-85,195.78-50,073.75

Finding the Fourth Proportional to 57,072.15, 85,195.78 and 50,073.75

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Solution

The fourth proportional to 57,072.15, 85,195.78 and 50,073.75 is: 74,748.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,072.15 : 85,195.78 = 50,073.75 : x
  2. Step 2: Convert to fraction form
    57,072.15/85,195.78 = 50,073.75/x
  3. Step 3: Cross multiply
    57,072.15x = 85,195.78 × 50,073.75
  4. Step 4: Simplify right side
    57,072.15x = 4,266,072,063.59
  5. Step 5: Solve for x
    x = 4,266,072,063.59/57,072.15
  6. Step 6: Final answer
    x = 74,748.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.