Home / 75,171.24-112,769.89-25,256.21

Finding the Fourth Proportional to 75,171.24, 112,769.89 and 25,256.21

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Solution

The fourth proportional to 75,171.24, 112,769.89 and 25,256.21 is: 37,888.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,171.24 : 112,769.89 = 25,256.21 : x
  2. Step 2: Convert to fraction form
    75,171.24/112,769.89 = 25,256.21/x
  3. Step 3: Cross multiply
    75,171.24x = 112,769.89 × 25,256.21
  4. Step 4: Simplify right side
    75,171.24x = 2,848,139,396.53
  5. Step 5: Solve for x
    x = 2,848,139,396.53/75,171.24
  6. Step 6: Final answer
    x = 37,888.68

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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.