Home / 217,945.90-326,918.28-58,021.84

Finding the Fourth Proportional to 217,945.90, 326,918.28 and 58,021.84

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Solution

The fourth proportional to 217,945.90, 326,918.28 and 58,021.84 is: 87,032.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    217,945.90 : 326,918.28 = 58,021.84 : x
  2. Step 2: Convert to fraction form
    217,945.90/326,918.28 = 58,021.84/x
  3. Step 3: Cross multiply
    217,945.90x = 326,918.28 × 58,021.84
  4. Step 4: Simplify right side
    217,945.90x = 18,968,400,135.24
  5. Step 5: Solve for x
    x = 18,968,400,135.24/217,945.90
  6. Step 6: Final answer
    x = 87,032.61

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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.