Home / 109,663.79-164,524.39-38,583.56

Finding the Fourth Proportional to 109,663.79, 164,524.39 and 38,583.56

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Solution

The fourth proportional to 109,663.79, 164,524.39 and 38,583.56 is: 57,885.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    109,663.79 : 164,524.39 = 38,583.56 : x
  2. Step 2: Convert to fraction form
    109,663.79/164,524.39 = 38,583.56/x
  3. Step 3: Cross multiply
    109,663.79x = 164,524.39 × 38,583.56
  4. Step 4: Simplify right side
    109,663.79x = 6,347,935,753.95
  5. Step 5: Solve for x
    x = 6,347,935,753.95/109,663.79
  6. Step 6: Final answer
    x = 57,885.43

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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.