Home / 82,172.40-113,397.90-44,446.65

Finding the Fourth Proportional to 82,172.40, 113,397.90 and 44,446.65

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Solution

The fourth proportional to 82,172.40, 113,397.90 and 44,446.65 is: 61,336.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    82,172.40 : 113,397.90 = 44,446.65 : x
  2. Step 2: Convert to fraction form
    82,172.40/113,397.90 = 44,446.65/x
  3. Step 3: Cross multiply
    82,172.40x = 113,397.90 × 44,446.65
  4. Step 4: Simplify right side
    82,172.40x = 5,040,156,772.04
  5. Step 5: Solve for x
    x = 5,040,156,772.04/82,172.40
  6. Step 6: Final answer
    x = 61,336.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.