Home / 62,822.31-86,715.03-40,222.17

Finding the Fourth Proportional to 62,822.31, 86,715.03 and 40,222.17

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Solution

The fourth proportional to 62,822.31, 86,715.03 and 40,222.17 is: 55,519.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,822.31 : 86,715.03 = 40,222.17 : x
  2. Step 2: Convert to fraction form
    62,822.31/86,715.03 = 40,222.17/x
  3. Step 3: Cross multiply
    62,822.31x = 86,715.03 × 40,222.17
  4. Step 4: Simplify right side
    62,822.31x = 3,487,866,678.22
  5. Step 5: Solve for x
    x = 3,487,866,678.22/62,822.31
  6. Step 6: Final answer
    x = 55,519.55

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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.