Home / 89,917.21-134,958.62-45,575.38

Finding the Fourth Proportional to 89,917.21, 134,958.62 and 45,575.38

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Solution

The fourth proportional to 89,917.21, 134,958.62 and 45,575.38 is: 68,405.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    89,917.21 : 134,958.62 = 45,575.38 : x
  2. Step 2: Convert to fraction form
    89,917.21/134,958.62 = 45,575.38/x
  3. Step 3: Cross multiply
    89,917.21x = 134,958.62 × 45,575.38
  4. Step 4: Simplify right side
    89,917.21x = 6,150,790,390.78
  5. Step 5: Solve for x
    x = 6,150,790,390.78/89,917.21
  6. Step 6: Final answer
    x = 68,405.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.