Home / 75,212.47-103,804.10-43,375.03

Finding the Fourth Proportional to 75,212.47, 103,804.10 and 43,375.03

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Solution

The fourth proportional to 75,212.47, 103,804.10 and 43,375.03 is: 59,863.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.47 : 103,804.10 = 43,375.03 : x
  2. Step 2: Convert to fraction form
    75,212.47/103,804.10 = 43,375.03/x
  3. Step 3: Cross multiply
    75,212.47x = 103,804.10 × 43,375.03
  4. Step 4: Simplify right side
    75,212.47x = 4,502,505,951.62
  5. Step 5: Solve for x
    x = 4,502,505,951.62/75,212.47
  6. Step 6: Final answer
    x = 59,863.82

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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.