Home / 215,764.22-323,645.86-57,992.67

Finding the Fourth Proportional to 215,764.22, 323,645.86 and 57,992.67

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Solution

The fourth proportional to 215,764.22, 323,645.86 and 57,992.67 is: 86,988.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,764.22 : 323,645.86 = 57,992.67 : x
  2. Step 2: Convert to fraction form
    215,764.22/323,645.86 = 57,992.67/x
  3. Step 3: Cross multiply
    215,764.22x = 323,645.86 × 57,992.67
  4. Step 4: Simplify right side
    215,764.22x = 18,769,087,628.34
  5. Step 5: Solve for x
    x = 18,769,087,628.34/215,764.22
  6. Step 6: Final answer
    x = 86,988.88

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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.