Home / 75,546.70-113,316.45-25,621.90

Finding the Fourth Proportional to 75,546.70, 113,316.45 and 25,621.90

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Solution

The fourth proportional to 75,546.70, 113,316.45 and 25,621.90 is: 38,431.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,546.70 : 113,316.45 = 25,621.90 : x
  2. Step 2: Convert to fraction form
    75,546.70/113,316.45 = 25,621.90/x
  3. Step 3: Cross multiply
    75,546.70x = 113,316.45 × 25,621.90
  4. Step 4: Simplify right side
    75,546.70x = 2,903,382,750.26
  5. Step 5: Solve for x
    x = 2,903,382,750.26/75,546.70
  6. Step 6: Final answer
    x = 38,431.63

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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.