Home / 85,011.21-127,523.97-25,847.42

Finding the Fourth Proportional to 85,011.21, 127,523.97 and 25,847.42

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Solution

The fourth proportional to 85,011.21, 127,523.97 and 25,847.42 is: 38,773.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,011.21 : 127,523.97 = 25,847.42 : x
  2. Step 2: Convert to fraction form
    85,011.21/127,523.97 = 25,847.42/x
  3. Step 3: Cross multiply
    85,011.21x = 127,523.97 × 25,847.42
  4. Step 4: Simplify right side
    85,011.21x = 3,296,164,975.04
  5. Step 5: Solve for x
    x = 3,296,164,975.04/85,011.21
  6. Step 6: Final answer
    x = 38,773.30

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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.