Home / 40,522.10-60,783.17-10,939.91

Finding the Fourth Proportional to 40,522.10, 60,783.17 and 10,939.91

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Solution

The fourth proportional to 40,522.10, 60,783.17 and 10,939.91 is: 16,409.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,522.10 : 60,783.17 = 10,939.91 : x
  2. Step 2: Convert to fraction form
    40,522.10/60,783.17 = 10,939.91/x
  3. Step 3: Cross multiply
    40,522.10x = 60,783.17 × 10,939.91
  4. Step 4: Simplify right side
    40,522.10x = 664,962,050.70
  5. Step 5: Solve for x
    x = 664,962,050.70/40,522.10
  6. Step 6: Final answer
    x = 16,409.86

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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.