Home / 54,312.43-81,474.27-14,869.54

Finding the Fourth Proportional to 54,312.43, 81,474.27 and 14,869.54

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Solution

The fourth proportional to 54,312.43, 81,474.27 and 14,869.54 is: 22,305.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,312.43 : 81,474.27 = 14,869.54 : x
  2. Step 2: Convert to fraction form
    54,312.43/81,474.27 = 14,869.54/x
  3. Step 3: Cross multiply
    54,312.43x = 81,474.27 × 14,869.54
  4. Step 4: Simplify right side
    54,312.43x = 1,211,484,916.74
  5. Step 5: Solve for x
    x = 1,211,484,916.74/54,312.43
  6. Step 6: Final answer
    x = 22,305.85

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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.