Home / 85,016.43-127,520.01-25,847.48

Finding the Fourth Proportional to 85,016.43, 127,520.01 and 25,847.48

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Solution

The fourth proportional to 85,016.43, 127,520.01 and 25,847.48 is: 38,769.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,016.43 : 127,520.01 = 25,847.48 : x
  2. Step 2: Convert to fraction form
    85,016.43/127,520.01 = 25,847.48/x
  3. Step 3: Cross multiply
    85,016.43x = 127,520.01 × 25,847.48
  4. Step 4: Simplify right side
    85,016.43x = 3,296,070,270.47
  5. Step 5: Solve for x
    x = 3,296,070,270.47/85,016.43
  6. Step 6: Final answer
    x = 38,769.80

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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.