Home / 85,331.51-127,924.97-35,380.43

Finding the Fourth Proportional to 85,331.51, 127,924.97 and 35,380.43

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Solution

The fourth proportional to 85,331.51, 127,924.97 and 35,380.43 is: 53,040.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    85,331.51 : 127,924.97 = 35,380.43 : x
  2. Step 2: Convert to fraction form
    85,331.51/127,924.97 = 35,380.43/x
  3. Step 3: Cross multiply
    85,331.51x = 127,924.97 × 35,380.43
  4. Step 4: Simplify right side
    85,331.51x = 4,526,040,308.54
  5. Step 5: Solve for x
    x = 4,526,040,308.54/85,331.51
  6. Step 6: Final answer
    x = 53,040.67

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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.