Home / 75,659.40-113,489.10-25,752.60

Finding the Fourth Proportional to 75,659.40, 113,489.10 and 25,752.60

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Solution

The fourth proportional to 75,659.40, 113,489.10 and 25,752.60 is: 38,628.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,659.40 : 113,489.10 = 25,752.60 : x
  2. Step 2: Convert to fraction form
    75,659.40/113,489.10 = 25,752.60/x
  3. Step 3: Cross multiply
    75,659.40x = 113,489.10 × 25,752.60
  4. Step 4: Simplify right side
    75,659.40x = 2,922,639,396.66
  5. Step 5: Solve for x
    x = 2,922,639,396.66/75,659.40
  6. Step 6: Final answer
    x = 38,628.90

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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.