Home / 81,935.27-113,072.79-46,126.58

Finding the Fourth Proportional to 81,935.27, 113,072.79 and 46,126.58

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Solution

The fourth proportional to 81,935.27, 113,072.79 and 46,126.58 is: 63,655.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,935.27 : 113,072.79 = 46,126.58 : x
  2. Step 2: Convert to fraction form
    81,935.27/113,072.79 = 46,126.58/x
  3. Step 3: Cross multiply
    81,935.27x = 113,072.79 × 46,126.58
  4. Step 4: Simplify right side
    81,935.27x = 5,215,660,528.39
  5. Step 5: Solve for x
    x = 5,215,660,528.39/81,935.27
  6. Step 6: Final answer
    x = 63,655.87

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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.