Home / 75,999.48-113,960.52-25,380.30

Finding the Fourth Proportional to 75,999.48, 113,960.52 and 25,380.30

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Solution

The fourth proportional to 75,999.48, 113,960.52 and 25,380.30 is: 38,057.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,999.48 : 113,960.52 = 25,380.30 : x
  2. Step 2: Convert to fraction form
    75,999.48/113,960.52 = 25,380.30/x
  3. Step 3: Cross multiply
    75,999.48x = 113,960.52 × 25,380.30
  4. Step 4: Simplify right side
    75,999.48x = 2,892,352,185.76
  5. Step 5: Solve for x
    x = 2,892,352,185.76/75,999.48
  6. Step 6: Final answer
    x = 38,057.53

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1.5x scale

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.