Home / 57,953.10-79,896.75-49,545.54

Finding the Fourth Proportional to 57,953.10, 79,896.75 and 49,545.54

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Solution

The fourth proportional to 57,953.10, 79,896.75 and 49,545.54 is: 68,305.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,953.10 : 79,896.75 = 49,545.54 : x
  2. Step 2: Convert to fraction form
    57,953.10/79,896.75 = 49,545.54/x
  3. Step 3: Cross multiply
    57,953.10x = 79,896.75 × 49,545.54
  4. Step 4: Simplify right side
    57,953.10x = 3,958,527,623.00
  5. Step 5: Solve for x
    x = 3,958,527,623.00/57,953.10
  6. Step 6: Final answer
    x = 68,305.71

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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.