Home / 106,935.67-147,604.10-61,643.95

Finding the Fourth Proportional to 106,935.67, 147,604.10 and 61,643.95

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Solution

The fourth proportional to 106,935.67, 147,604.10 and 61,643.95 is: 85,087.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,935.67 : 147,604.10 = 61,643.95 : x
  2. Step 2: Convert to fraction form
    106,935.67/147,604.10 = 61,643.95/x
  3. Step 3: Cross multiply
    106,935.67x = 147,604.10 × 61,643.95
  4. Step 4: Simplify right side
    106,935.67x = 9,098,899,760.20
  5. Step 5: Solve for x
    x = 9,098,899,760.20/106,935.67
  6. Step 6: Final answer
    x = 85,087.60

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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.