Home / 62,823.31-86,716.41-40,223.17

Finding the Fourth Proportional to 62,823.31, 86,716.41 and 40,223.17

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Solution

The fourth proportional to 62,823.31, 86,716.41 and 40,223.17 is: 55,520.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,823.31 : 86,716.41 = 40,223.17 : x
  2. Step 2: Convert to fraction form
    62,823.31/86,716.41 = 40,223.17/x
  3. Step 3: Cross multiply
    62,823.31x = 86,716.41 × 40,223.17
  4. Step 4: Simplify right side
    62,823.31x = 3,488,008,901.22
  5. Step 5: Solve for x
    x = 3,488,008,901.22/62,823.31
  6. Step 6: Final answer
    x = 55,520.93

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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.