Home / 88,157.25-132,235.61-31,997.28

Finding the Fourth Proportional to 88,157.25, 132,235.61 and 31,997.28

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Solution

The fourth proportional to 88,157.25, 132,235.61 and 31,997.28 is: 47,995.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,157.25 : 132,235.61 = 31,997.28 : x
  2. Step 2: Convert to fraction form
    88,157.25/132,235.61 = 31,997.28/x
  3. Step 3: Cross multiply
    88,157.25x = 132,235.61 × 31,997.28
  4. Step 4: Simplify right side
    88,157.25x = 4,231,179,679.15
  5. Step 5: Solve for x
    x = 4,231,179,679.15/88,157.25
  6. Step 6: Final answer
    x = 47,995.82

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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.