Home / 78,319.50-108,087.39-44,791.98

Finding the Fourth Proportional to 78,319.50, 108,087.39 and 44,791.98

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Solution

The fourth proportional to 78,319.50, 108,087.39 and 44,791.98 is: 61,816.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,319.50 : 108,087.39 = 44,791.98 : x
  2. Step 2: Convert to fraction form
    78,319.50/108,087.39 = 44,791.98/x
  3. Step 3: Cross multiply
    78,319.50x = 108,087.39 × 44,791.98
  4. Step 4: Simplify right side
    78,319.50x = 4,841,448,211.13
  5. Step 5: Solve for x
    x = 4,841,448,211.13/78,319.50
  6. Step 6: Final answer
    x = 61,816.64

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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.