Home / 75,403.76-113,105.84-25,470.50

Finding the Fourth Proportional to 75,403.76, 113,105.84 and 25,470.50

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Solution

The fourth proportional to 75,403.76, 113,105.84 and 25,470.50 is: 38,205.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,403.76 : 113,105.84 = 25,470.50 : x
  2. Step 2: Convert to fraction form
    75,403.76/113,105.84 = 25,470.50/x
  3. Step 3: Cross multiply
    75,403.76x = 113,105.84 × 25,470.50
  4. Step 4: Simplify right side
    75,403.76x = 2,880,861,604.84
  5. Step 5: Solve for x
    x = 2,880,861,604.84/75,403.76
  6. Step 6: Final answer
    x = 38,205.81

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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.