Home / 88,012.46-131,965.97-28,015.02

Finding the Fourth Proportional to 88,012.46, 131,965.97 and 28,015.02

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Solution

The fourth proportional to 88,012.46, 131,965.97 and 28,015.02 is: 42,005.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    88,012.46 : 131,965.97 = 28,015.02 : x
  2. Step 2: Convert to fraction form
    88,012.46/131,965.97 = 28,015.02/x
  3. Step 3: Cross multiply
    88,012.46x = 131,965.97 × 28,015.02
  4. Step 4: Simplify right side
    88,012.46x = 3,697,029,358.91
  5. Step 5: Solve for x
    x = 3,697,029,358.91/88,012.46
  6. Step 6: Final answer
    x = 42,005.75

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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.