Home / 75,212.72-103,804.44-43,375.28

Finding the Fourth Proportional to 75,212.72, 103,804.44 and 43,375.28

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Solution

The fourth proportional to 75,212.72, 103,804.44 and 43,375.28 is: 59,864.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,212.72 : 103,804.44 = 43,375.28 : x
  2. Step 2: Convert to fraction form
    75,212.72/103,804.44 = 43,375.28/x
  3. Step 3: Cross multiply
    75,212.72x = 103,804.44 × 43,375.28
  4. Step 4: Simplify right side
    75,212.72x = 4,502,546,650.24
  5. Step 5: Solve for x
    x = 4,502,546,650.24/75,212.72
  6. Step 6: Final answer
    x = 59,864.16

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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.