Home / 54,112.53-74,695.79-40,722.62

Finding the Fourth Proportional to 54,112.53, 74,695.79 and 40,722.62

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Solution

The fourth proportional to 54,112.53, 74,695.79 and 40,722.62 is: 56,212.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,112.53 : 74,695.79 = 40,722.62 : x
  2. Step 2: Convert to fraction form
    54,112.53/74,695.79 = 40,722.62/x
  3. Step 3: Cross multiply
    54,112.53x = 74,695.79 × 40,722.62
  4. Step 4: Simplify right side
    54,112.53x = 3,041,808,487.18
  5. Step 5: Solve for x
    x = 3,041,808,487.18/54,112.53
  6. Step 6: Final answer
    x = 56,212.64

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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.