Home / 109,536.87-164,306.79-38,456.67

Finding the Fourth Proportional to 109,536.87, 164,306.79 and 38,456.67

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Solution

The fourth proportional to 109,536.87, 164,306.79 and 38,456.67 is: 57,685.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,536.87 : 164,306.79 = 38,456.67 : x
  2. Step 2: Convert to fraction form
    109,536.87/164,306.79 = 38,456.67/x
  3. Step 3: Cross multiply
    109,536.87x = 164,306.79 × 38,456.67
  4. Step 4: Simplify right side
    109,536.87x = 6,318,692,001.79
  5. Step 5: Solve for x
    x = 6,318,692,001.79/109,536.87
  6. Step 6: Final answer
    x = 57,685.53

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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.