Home / 54,300.96-81,529.20-40,304.16

Finding the Fourth Proportional to 54,300.96, 81,529.20 and 40,304.16

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Solution

The fourth proportional to 54,300.96, 81,529.20 and 40,304.16 is: 60,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,300.96 : 81,529.20 = 40,304.16 : x
  2. Step 2: Convert to fraction form
    54,300.96/81,529.20 = 40,304.16/x
  3. Step 3: Cross multiply
    54,300.96x = 81,529.20 × 40,304.16
  4. Step 4: Simplify right side
    54,300.96x = 3,285,965,921.47
  5. Step 5: Solve for x
    x = 3,285,965,921.47/54,300.96
  6. Step 6: Final answer
    x = 60,513.96

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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.