Home / 87,701.36-131,540.64-35,111.36

Finding the Fourth Proportional to 87,701.36, 131,540.64 and 35,111.36

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Solution

The fourth proportional to 87,701.36, 131,540.64 and 35,111.36 is: 52,662.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,701.36 : 131,540.64 = 35,111.36 : x
  2. Step 2: Convert to fraction form
    87,701.36/131,540.64 = 35,111.36/x
  3. Step 3: Cross multiply
    87,701.36x = 131,540.64 × 35,111.36
  4. Step 4: Simplify right side
    87,701.36x = 4,618,570,765.67
  5. Step 5: Solve for x
    x = 4,618,570,765.67/87,701.36
  6. Step 6: Final answer
    x = 52,662.48

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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.