Home / 217,858.88-326,749.44-57,935.72

Finding the Fourth Proportional to 217,858.88, 326,749.44 and 57,935.72

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Solution

The fourth proportional to 217,858.88, 326,749.44 and 57,935.72 is: 86,893.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,858.88 : 326,749.44 = 57,935.72 : x
  2. Step 2: Convert to fraction form
    217,858.88/326,749.44 = 57,935.72/x
  3. Step 3: Cross multiply
    217,858.88x = 326,749.44 × 57,935.72
  4. Step 4: Simplify right side
    217,858.88x = 18,930,464,066.00
  5. Step 5: Solve for x
    x = 18,930,464,066.00/217,858.88
  6. Step 6: Final answer
    x = 86,893.24

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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.