Home / 75,489.67-113,164.10-25,535.00

Finding the Fourth Proportional to 75,489.67, 113,164.10 and 25,535.00

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Solution

The fourth proportional to 75,489.67, 113,164.10 and 25,535.00 is: 38,278.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,489.67 : 113,164.10 = 25,535.00 : x
  2. Step 2: Convert to fraction form
    75,489.67/113,164.10 = 25,535.00/x
  3. Step 3: Cross multiply
    75,489.67x = 113,164.10 × 25,535.00
  4. Step 4: Simplify right side
    75,489.67x = 2,889,645,640.25
  5. Step 5: Solve for x
    x = 2,889,645,640.25/75,489.67
  6. Step 6: Final answer
    x = 38,278.69

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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.