Home / 85,257.36-127,900.62-26,086.86

Finding the Fourth Proportional to 85,257.36, 127,900.62 and 26,086.86

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Solution

The fourth proportional to 85,257.36, 127,900.62 and 26,086.86 is: 39,134.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,257.36 : 127,900.62 = 26,086.86 : x
  2. Step 2: Convert to fraction form
    85,257.36/127,900.62 = 26,086.86/x
  3. Step 3: Cross multiply
    85,257.36x = 127,900.62 × 26,086.86
  4. Step 4: Simplify right side
    85,257.36x = 3,336,525,567.85
  5. Step 5: Solve for x
    x = 3,336,525,567.85/85,257.36
  6. Step 6: Final answer
    x = 39,134.75

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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.