Home / 76,515.62-114,755.20-32,143.23

Finding the Fourth Proportional to 76,515.62, 114,755.20 and 32,143.23

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Solution

The fourth proportional to 76,515.62, 114,755.20 and 32,143.23 is: 48,207.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,515.62 : 114,755.20 = 32,143.23 : x
  2. Step 2: Convert to fraction form
    76,515.62/114,755.20 = 32,143.23/x
  3. Step 3: Cross multiply
    76,515.62x = 114,755.20 × 32,143.23
  4. Step 4: Simplify right side
    76,515.62x = 3,688,602,706.94
  5. Step 5: Solve for x
    x = 3,688,602,706.94/76,515.62
  6. Step 6: Final answer
    x = 48,207.19

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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.