Home / 75,682.50-113,453.18-25,728.46

Finding the Fourth Proportional to 75,682.50, 113,453.18 and 25,728.46

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Solution

The fourth proportional to 75,682.50, 113,453.18 and 25,728.46 is: 38,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,682.50 : 113,453.18 = 25,728.46 : x
  2. Step 2: Convert to fraction form
    75,682.50/113,453.18 = 25,728.46/x
  3. Step 3: Cross multiply
    75,682.50x = 113,453.18 × 25,728.46
  4. Step 4: Simplify right side
    75,682.50x = 2,918,975,603.50
  5. Step 5: Solve for x
    x = 2,918,975,603.50/75,682.50
  6. Step 6: Final answer
    x = 38,568.70

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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.