Home / 106,935.93-147,604.46-61,644.20

Finding the Fourth Proportional to 106,935.93, 147,604.46 and 61,644.20

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Solution

The fourth proportional to 106,935.93, 147,604.46 and 61,644.20 is: 85,087.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.93 : 147,604.46 = 61,644.20 : x
  2. Step 2: Convert to fraction form
    106,935.93/147,604.46 = 61,644.20/x
  3. Step 3: Cross multiply
    106,935.93x = 147,604.46 × 61,644.20
  4. Step 4: Simplify right side
    106,935.93x = 9,098,957,806.89
  5. Step 5: Solve for x
    x = 9,098,957,806.89/106,935.93
  6. Step 6: Final answer
    x = 85,087.94

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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.