Home / 61,286.56-91,935.14-16,913.32

Finding the Fourth Proportional to 61,286.56, 91,935.14 and 16,913.32

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Solution

The fourth proportional to 61,286.56, 91,935.14 and 16,913.32 is: 25,371.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,286.56 : 91,935.14 = 16,913.32 : x
  2. Step 2: Convert to fraction form
    61,286.56/91,935.14 = 16,913.32/x
  3. Step 3: Cross multiply
    61,286.56x = 91,935.14 × 16,913.32
  4. Step 4: Simplify right side
    61,286.56x = 1,554,928,442.06
  5. Step 5: Solve for x
    x = 1,554,928,442.06/61,286.56
  6. Step 6: Final answer
    x = 25,371.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.