Home / 81,713.08-122,606.58-41,711.40

Finding the Fourth Proportional to 81,713.08, 122,606.58 and 41,711.40

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Solution

The fourth proportional to 81,713.08, 122,606.58 and 41,711.40 is: 62,585.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    81,713.08 : 122,606.58 = 41,711.40 : x
  2. Step 2: Convert to fraction form
    81,713.08/122,606.58 = 41,711.40/x
  3. Step 3: Cross multiply
    81,713.08x = 122,606.58 × 41,711.40
  4. Step 4: Simplify right side
    81,713.08x = 5,114,092,257.43
  5. Step 5: Solve for x
    x = 5,114,092,257.43/81,713.08
  6. Step 6: Final answer
    x = 62,585.97

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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.