Home / 70,926.18-106,392.92-18,336.12

Finding the Fourth Proportional to 70,926.18, 106,392.92 and 18,336.12

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Solution

The fourth proportional to 70,926.18, 106,392.92 and 18,336.12 is: 27,505.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,926.18 : 106,392.92 = 18,336.12 : x
  2. Step 2: Convert to fraction form
    70,926.18/106,392.92 = 18,336.12/x
  3. Step 3: Cross multiply
    70,926.18x = 106,392.92 × 18,336.12
  4. Step 4: Simplify right side
    70,926.18x = 1,950,833,348.27
  5. Step 5: Solve for x
    x = 1,950,833,348.27/70,926.18
  6. Step 6: Final answer
    x = 27,505.12

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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.