Home / 85,328.20-127,993.26-26,164.36

Finding the Fourth Proportional to 85,328.20, 127,993.26 and 26,164.36

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Solution

The fourth proportional to 85,328.20, 127,993.26 and 26,164.36 is: 39,246.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,328.20 : 127,993.26 = 26,164.36 : x
  2. Step 2: Convert to fraction form
    85,328.20/127,993.26 = 26,164.36/x
  3. Step 3: Cross multiply
    85,328.20x = 127,993.26 × 26,164.36
  4. Step 4: Simplify right side
    85,328.20x = 3,348,861,732.21
  5. Step 5: Solve for x
    x = 3,348,861,732.21/85,328.20
  6. Step 6: Final answer
    x = 39,246.83

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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.