Home / 87,878.66-131,824.08-35,288.15

Finding the Fourth Proportional to 87,878.66, 131,824.08 and 35,288.15

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Solution

The fourth proportional to 87,878.66, 131,824.08 and 35,288.15 is: 52,934.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,878.66 : 131,824.08 = 35,288.15 : x
  2. Step 2: Convert to fraction form
    87,878.66/131,824.08 = 35,288.15/x
  3. Step 3: Cross multiply
    87,878.66x = 131,824.08 × 35,288.15
  4. Step 4: Simplify right side
    87,878.66x = 4,651,827,249.53
  5. Step 5: Solve for x
    x = 4,651,827,249.53/87,878.66
  6. Step 6: Final answer
    x = 52,934.67

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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.