Home / 41,721.96-62,583.06-12,140.51

Finding the Fourth Proportional to 41,721.96, 62,583.06 and 12,140.51

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Solution

The fourth proportional to 41,721.96, 62,583.06 and 12,140.51 is: 18,210.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,721.96 : 62,583.06 = 12,140.51 : x
  2. Step 2: Convert to fraction form
    41,721.96/62,583.06 = 12,140.51/x
  3. Step 3: Cross multiply
    41,721.96x = 62,583.06 × 12,140.51
  4. Step 4: Simplify right side
    41,721.96x = 759,790,071.95
  5. Step 5: Solve for x
    x = 759,790,071.95/41,721.96
  6. Step 6: Final answer
    x = 18,210.79

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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.