Home / 90,631.60-135,961.24-46,234.14

Finding the Fourth Proportional to 90,631.60, 135,961.24 and 46,234.14

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Solution

The fourth proportional to 90,631.60, 135,961.24 and 46,234.14 is: 69,358.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,631.60 : 135,961.24 = 46,234.14 : x
  2. Step 2: Convert to fraction form
    90,631.60/135,961.24 = 46,234.14/x
  3. Step 3: Cross multiply
    90,631.60x = 135,961.24 × 46,234.14
  4. Step 4: Simplify right side
    90,631.60x = 6,286,051,004.73
  5. Step 5: Solve for x
    x = 6,286,051,004.73/90,631.60
  6. Step 6: Final answer
    x = 69,358.27

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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.