Home / 71,802.45-99,078.78-41,583.57

Finding the Fourth Proportional to 71,802.45, 99,078.78 and 41,583.57

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Solution

The fourth proportional to 71,802.45, 99,078.78 and 41,583.57 is: 57,380.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,802.45 : 99,078.78 = 41,583.57 : x
  2. Step 2: Convert to fraction form
    71,802.45/99,078.78 = 41,583.57/x
  3. Step 3: Cross multiply
    71,802.45x = 99,078.78 × 41,583.57
  4. Step 4: Simplify right side
    71,802.45x = 4,120,049,175.73
  5. Step 5: Solve for x
    x = 4,120,049,175.73/71,802.45
  6. Step 6: Final answer
    x = 57,380.35

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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.