Home / 85,335.75-127,998.83-26,171.26

Finding the Fourth Proportional to 85,335.75, 127,998.83 and 26,171.26

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Solution

The fourth proportional to 85,335.75, 127,998.83 and 26,171.26 is: 39,255.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,335.75 : 127,998.83 = 26,171.26 : x
  2. Step 2: Convert to fraction form
    85,335.75/127,998.83 = 26,171.26/x
  3. Step 3: Cross multiply
    85,335.75x = 127,998.83 × 26,171.26
  4. Step 4: Simplify right side
    85,335.75x = 3,349,890,659.63
  5. Step 5: Solve for x
    x = 3,349,890,659.63/85,335.75
  6. Step 6: Final answer
    x = 39,255.42

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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.