Home / 78,705.72-108,614.24-44,716.06

Finding the Fourth Proportional to 78,705.72, 108,614.24 and 44,716.06

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Solution

The fourth proportional to 78,705.72, 108,614.24 and 44,716.06 is: 61,708.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,705.72 : 108,614.24 = 44,716.06 : x
  2. Step 2: Convert to fraction form
    78,705.72/108,614.24 = 44,716.06/x
  3. Step 3: Cross multiply
    78,705.72x = 108,614.24 × 44,716.06
  4. Step 4: Simplify right side
    78,705.72x = 4,856,800,712.95
  5. Step 5: Solve for x
    x = 4,856,800,712.95/78,705.72
  6. Step 6: Final answer
    x = 61,708.36

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.