Home / 74,190.42-102,326.97-51,529.44

Finding the Fourth Proportional to 74,190.42, 102,326.97 and 51,529.44

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Solution

The fourth proportional to 74,190.42, 102,326.97 and 51,529.44 is: 71,071.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,190.42 : 102,326.97 = 51,529.44 : x
  2. Step 2: Convert to fraction form
    74,190.42/102,326.97 = 51,529.44/x
  3. Step 3: Cross multiply
    74,190.42x = 102,326.97 × 51,529.44
  4. Step 4: Simplify right side
    74,190.42x = 5,272,851,461.00
  5. Step 5: Solve for x
    x = 5,272,851,461.00/74,190.42
  6. Step 6: Final answer
    x = 71,071.86

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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.