Home / 73,821.18-101,873.20-40,287.18

Finding the Fourth Proportional to 73,821.18, 101,873.20 and 40,287.18

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Solution

The fourth proportional to 73,821.18, 101,873.20 and 40,287.18 is: 55,596.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,821.18 : 101,873.20 = 40,287.18 : x
  2. Step 2: Convert to fraction form
    73,821.18/101,873.20 = 40,287.18/x
  3. Step 3: Cross multiply
    73,821.18x = 101,873.20 × 40,287.18
  4. Step 4: Simplify right side
    73,821.18x = 4,104,183,945.58
  5. Step 5: Solve for x
    x = 4,104,183,945.58/73,821.18
  6. Step 6: Final answer
    x = 55,596.29

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.