Home / 87,888.42-131,855.04-25,558.92

Finding the Fourth Proportional to 87,888.42, 131,855.04 and 25,558.92

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Solution

The fourth proportional to 87,888.42, 131,855.04 and 25,558.92 is: 38,344.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,888.42 : 131,855.04 = 25,558.92 : x
  2. Step 2: Convert to fraction form
    87,888.42/131,855.04 = 25,558.92/x
  3. Step 3: Cross multiply
    87,888.42x = 131,855.04 × 25,558.92
  4. Step 4: Simplify right side
    87,888.42x = 3,370,072,418.96
  5. Step 5: Solve for x
    x = 3,370,072,418.96/87,888.42
  6. Step 6: Final answer
    x = 38,344.90

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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.