Home / 77,964.72-107,597.60-43,971.44

Finding the Fourth Proportional to 77,964.72, 107,597.60 and 43,971.44

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Solution

The fourth proportional to 77,964.72, 107,597.60 and 43,971.44 is: 60,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,964.72 : 107,597.60 = 43,971.44 : x
  2. Step 2: Convert to fraction form
    77,964.72/107,597.60 = 43,971.44/x
  3. Step 3: Cross multiply
    77,964.72x = 107,597.60 × 43,971.44
  4. Step 4: Simplify right side
    77,964.72x = 4,731,221,412.54
  5. Step 5: Solve for x
    x = 4,731,221,412.54/77,964.72
  6. Step 6: Final answer
    x = 60,684.13

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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.