Home / 215,343.96-322,991.33-57,584.72

Finding the Fourth Proportional to 215,343.96, 322,991.33 and 57,584.72

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Solution

The fourth proportional to 215,343.96, 322,991.33 and 57,584.72 is: 86,370.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,343.96 : 322,991.33 = 57,584.72 : x
  2. Step 2: Convert to fraction form
    215,343.96/322,991.33 = 57,584.72/x
  3. Step 3: Cross multiply
    215,343.96x = 322,991.33 × 57,584.72
  4. Step 4: Simplify right side
    215,343.96x = 18,599,363,829.48
  5. Step 5: Solve for x
    x = 18,599,363,829.48/215,343.96
  6. Step 6: Final answer
    x = 86,370.49

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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.