Home / 87,624.32-131,447.40-34,309.41

Finding the Fourth Proportional to 87,624.32, 131,447.40 and 34,309.41

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Solution

The fourth proportional to 87,624.32, 131,447.40 and 34,309.41 is: 51,468.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    87,624.32 : 131,447.40 = 34,309.41 : x
  2. Step 2: Convert to fraction form
    87,624.32/131,447.40 = 34,309.41/x
  3. Step 3: Cross multiply
    87,624.32x = 131,447.40 × 34,309.41
  4. Step 4: Simplify right side
    87,624.32x = 4,509,882,740.03
  5. Step 5: Solve for x
    x = 4,509,882,740.03/87,624.32
  6. Step 6: Final answer
    x = 51,468.39

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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.