Home / 50,785.72-70,103.94-45,471.40

Finding the Fourth Proportional to 50,785.72, 70,103.94 and 45,471.40

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Solution

The fourth proportional to 50,785.72, 70,103.94 and 45,471.40 is: 62,768.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,785.72 : 70,103.94 = 45,471.40 : x
  2. Step 2: Convert to fraction form
    50,785.72/70,103.94 = 45,471.40/x
  3. Step 3: Cross multiply
    50,785.72x = 70,103.94 × 45,471.40
  4. Step 4: Simplify right side
    50,785.72x = 3,187,724,297.32
  5. Step 5: Solve for x
    x = 3,187,724,297.32/50,785.72
  6. Step 6: Final answer
    x = 62,768.12

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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.