Home / 75,858.81-113,788.23-25,939.37

Finding the Fourth Proportional to 75,858.81, 113,788.23 and 25,939.37

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Solution

The fourth proportional to 75,858.81, 113,788.23 and 25,939.37 is: 38,909.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,858.81 : 113,788.23 = 25,939.37 : x
  2. Step 2: Convert to fraction form
    75,858.81/113,788.23 = 25,939.37/x
  3. Step 3: Cross multiply
    75,858.81x = 113,788.23 × 25,939.37
  4. Step 4: Simplify right side
    75,858.81x = 2,951,594,430.67
  5. Step 5: Solve for x
    x = 2,951,594,430.67/75,858.81
  6. Step 6: Final answer
    x = 38,909.05

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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.