Home / 87,815.40-131,723.10-24,635.40

Finding the Fourth Proportional to 87,815.40, 131,723.10 and 24,635.40

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Solution

The fourth proportional to 87,815.40, 131,723.10 and 24,635.40 is: 36,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,815.40 : 131,723.10 = 24,635.40 : x
  2. Step 2: Convert to fraction form
    87,815.40/131,723.10 = 24,635.40/x
  3. Step 3: Cross multiply
    87,815.40x = 131,723.10 × 24,635.40
  4. Step 4: Simplify right side
    87,815.40x = 3,245,051,257.74
  5. Step 5: Solve for x
    x = 3,245,051,257.74/87,815.40
  6. Step 6: Final answer
    x = 36,953.10

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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.