Home / 54,315.16-81,472.81-14,872.62

Finding the Fourth Proportional to 54,315.16, 81,472.81 and 14,872.62

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Solution

The fourth proportional to 54,315.16, 81,472.81 and 14,872.62 is: 22,308.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,315.16 : 81,472.81 = 14,872.62 : x
  2. Step 2: Convert to fraction form
    54,315.16/81,472.81 = 14,872.62/x
  3. Step 3: Cross multiply
    54,315.16x = 81,472.81 × 14,872.62
  4. Step 4: Simplify right side
    54,315.16x = 1,211,713,736.10
  5. Step 5: Solve for x
    x = 1,211,713,736.10/54,315.16
  6. Step 6: Final answer
    x = 22,308.94

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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.