Home / 75,001.29-103,505-41,007.75

Finding the Fourth Proportional to 75,001.29, 103,505 and 41,007.75

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Solution

The fourth proportional to 75,001.29, 103,505 and 41,007.75 is: 56,592.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,001.29 : 103,505 = 41,007.75 : x
  2. Step 2: Convert to fraction form
    75,001.29/103,505 = 41,007.75/x
  3. Step 3: Cross multiply
    75,001.29x = 103,505 × 41,007.75
  4. Step 4: Simplify right side
    75,001.29x = 4,244,507,163.75
  5. Step 5: Solve for x
    x = 4,244,507,163.75/75,001.29
  6. Step 6: Final answer
    x = 56,592.46

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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.