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Finding the Fourth Proportional to 73,536.96, 110,305.45 and 51,393.59

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Solution

The fourth proportional to 73,536.96, 110,305.45 and 51,393.59 is: 77,090.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,536.96 : 110,305.45 = 51,393.59 : x
  2. Step 2: Convert to fraction form
    73,536.96/110,305.45 = 51,393.59/x
  3. Step 3: Cross multiply
    73,536.96x = 110,305.45 × 51,393.59
  4. Step 4: Simplify right side
    73,536.96x = 5,668,993,072.07
  5. Step 5: Solve for x
    x = 5,668,993,072.07/73,536.96
  6. Step 6: Final answer
    x = 77,090.39

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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.