Home / 75,648.44-113,439.83-25,715.12

Finding the Fourth Proportional to 75,648.44, 113,439.83 and 25,715.12

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Solution

The fourth proportional to 75,648.44, 113,439.83 and 25,715.12 is: 38,561.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,648.44 : 113,439.83 = 25,715.12 : x
  2. Step 2: Convert to fraction form
    75,648.44/113,439.83 = 25,715.12/x
  3. Step 3: Cross multiply
    75,648.44x = 113,439.83 × 25,715.12
  4. Step 4: Simplify right side
    75,648.44x = 2,917,118,145.45
  5. Step 5: Solve for x
    x = 2,917,118,145.45/75,648.44
  6. Step 6: Final answer
    x = 38,561.51

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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.