Home / 45,717.68-68,505.60-31,705.04

Finding the Fourth Proportional to 45,717.68, 68,505.60 and 31,705.04

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Solution

The fourth proportional to 45,717.68, 68,505.60 and 31,705.04 is: 47,508.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,717.68 : 68,505.60 = 31,705.04 : x
  2. Step 2: Convert to fraction form
    45,717.68/68,505.60 = 31,705.04/x
  3. Step 3: Cross multiply
    45,717.68x = 68,505.60 × 31,705.04
  4. Step 4: Simplify right side
    45,717.68x = 2,171,972,788.22
  5. Step 5: Solve for x
    x = 2,171,972,788.22/45,717.68
  6. Step 6: Final answer
    x = 47,508.38

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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.