Home / 90,980.12-136,496.57-37,662.27

Finding the Fourth Proportional to 90,980.12, 136,496.57 and 37,662.27

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Solution

The fourth proportional to 90,980.12, 136,496.57 and 37,662.27 is: 56,504.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    90,980.12 : 136,496.57 = 37,662.27 : x
  2. Step 2: Convert to fraction form
    90,980.12/136,496.57 = 37,662.27/x
  3. Step 3: Cross multiply
    90,980.12x = 136,496.57 × 37,662.27
  4. Step 4: Simplify right side
    90,980.12x = 5,140,770,485.10
  5. Step 5: Solve for x
    x = 5,140,770,485.10/90,980.12
  6. Step 6: Final answer
    x = 56,504.33

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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.