Home / 54,688.92-81,974.88-39,059.16

Finding the Fourth Proportional to 54,688.92, 81,974.88 and 39,059.16

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Solution

The fourth proportional to 54,688.92, 81,974.88 and 39,059.16 is: 58,546.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,688.92 : 81,974.88 = 39,059.16 : x
  2. Step 2: Convert to fraction form
    54,688.92/81,974.88 = 39,059.16/x
  3. Step 3: Cross multiply
    54,688.92x = 81,974.88 × 39,059.16
  4. Step 4: Simplify right side
    54,688.92x = 3,201,869,953.90
  5. Step 5: Solve for x
    x = 3,201,869,953.90/54,688.92
  6. Step 6: Final answer
    x = 58,546.96

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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.