Home / 89,011.38-122,796.63-53,183.46

Finding the Fourth Proportional to 89,011.38, 122,796.63 and 53,183.46

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Solution

The fourth proportional to 89,011.38, 122,796.63 and 53,183.46 is: 73,369.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,011.38 : 122,796.63 = 53,183.46 : x
  2. Step 2: Convert to fraction form
    89,011.38/122,796.63 = 53,183.46/x
  3. Step 3: Cross multiply
    89,011.38x = 122,796.63 × 53,183.46
  4. Step 4: Simplify right side
    89,011.38x = 6,530,749,659.74
  5. Step 5: Solve for x
    x = 6,530,749,659.74/89,011.38
  6. Step 6: Final answer
    x = 73,369.83

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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.