Home / 45,920.13-68,722.92-31,895.97

Finding the Fourth Proportional to 45,920.13, 68,722.92 and 31,895.97

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Solution

The fourth proportional to 45,920.13, 68,722.92 and 31,895.97 is: 47,734.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,920.13 : 68,722.92 = 31,895.97 : x
  2. Step 2: Convert to fraction form
    45,920.13/68,722.92 = 31,895.97/x
  3. Step 3: Cross multiply
    45,920.13x = 68,722.92 × 31,895.97
  4. Step 4: Simplify right side
    45,920.13x = 2,191,984,194.63
  5. Step 5: Solve for x
    x = 2,191,984,194.63/45,920.13
  6. Step 6: Final answer
    x = 47,734.71

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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.