Home / 75,412.69-113,100.33-25,491.70

Finding the Fourth Proportional to 75,412.69, 113,100.33 and 25,491.70

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Solution

The fourth proportional to 75,412.69, 113,100.33 and 25,491.70 is: 38,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,412.69 : 113,100.33 = 25,491.70 : x
  2. Step 2: Convert to fraction form
    75,412.69/113,100.33 = 25,491.70/x
  3. Step 3: Cross multiply
    75,412.69x = 113,100.33 × 25,491.70
  4. Step 4: Simplify right side
    75,412.69x = 2,883,119,682.26
  5. Step 5: Solve for x
    x = 2,883,119,682.26/75,412.69
  6. Step 6: Final answer
    x = 38,231.23

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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.