Home / 106,935.82-147,604.27-61,644.07

Finding the Fourth Proportional to 106,935.82, 147,604.27 and 61,644.07

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Solution

The fourth proportional to 106,935.82, 147,604.27 and 61,644.07 is: 85,087.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.82 : 147,604.27 = 61,644.07 : x
  2. Step 2: Convert to fraction form
    106,935.82/147,604.27 = 61,644.07/x
  3. Step 3: Cross multiply
    106,935.82x = 147,604.27 × 61,644.07
  4. Step 4: Simplify right side
    106,935.82x = 9,098,927,952.18
  5. Step 5: Solve for x
    x = 9,098,927,952.18/106,935.82
  6. Step 6: Final answer
    x = 85,087.75

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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.