Home / 87,756.72-131,634.97-28,592.29

Finding the Fourth Proportional to 87,756.72, 131,634.97 and 28,592.29

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Solution

The fourth proportional to 87,756.72, 131,634.97 and 28,592.29 is: 42,888.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,756.72 : 131,634.97 = 28,592.29 : x
  2. Step 2: Convert to fraction form
    87,756.72/131,634.97 = 28,592.29/x
  3. Step 3: Cross multiply
    87,756.72x = 131,634.97 × 28,592.29
  4. Step 4: Simplify right side
    87,756.72x = 3,763,745,093.42
  5. Step 5: Solve for x
    x = 3,763,745,093.42/87,756.72
  6. Step 6: Final answer
    x = 42,888.40

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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.