Home / 88,027.56-131,982.93-31,860.32

Finding the Fourth Proportional to 88,027.56, 131,982.93 and 31,860.32

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Solution

The fourth proportional to 88,027.56, 131,982.93 and 31,860.32 is: 47,769.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,027.56 : 131,982.93 = 31,860.32 : x
  2. Step 2: Convert to fraction form
    88,027.56/131,982.93 = 31,860.32/x
  3. Step 3: Cross multiply
    88,027.56x = 131,982.93 × 31,860.32
  4. Step 4: Simplify right side
    88,027.56x = 4,205,017,724.42
  5. Step 5: Solve for x
    x = 4,205,017,724.42/88,027.56
  6. Step 6: Final answer
    x = 47,769.33

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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.