Home / 82,590.66-113,964.96-50,313.56

Finding the Fourth Proportional to 82,590.66, 113,964.96 and 50,313.56

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Solution

The fourth proportional to 82,590.66, 113,964.96 and 50,313.56 is: 69,426.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,590.66 : 113,964.96 = 50,313.56 : x
  2. Step 2: Convert to fraction form
    82,590.66/113,964.96 = 50,313.56/x
  3. Step 3: Cross multiply
    82,590.66x = 113,964.96 × 50,313.56
  4. Step 4: Simplify right side
    82,590.66x = 5,733,982,852.86
  5. Step 5: Solve for x
    x = 5,733,982,852.86/82,590.66
  6. Step 6: Final answer
    x = 69,426.53

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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.