Home / 75,905.28-113,821.41-35,890.92

Finding the Fourth Proportional to 75,905.28, 113,821.41 and 35,890.92

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Solution

The fourth proportional to 75,905.28, 113,821.41 and 35,890.92 is: 53,819.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,905.28 : 113,821.41 = 35,890.92 : x
  2. Step 2: Convert to fraction form
    75,905.28/113,821.41 = 35,890.92/x
  3. Step 3: Cross multiply
    75,905.28x = 113,821.41 × 35,890.92
  4. Step 4: Simplify right side
    75,905.28x = 4,085,155,120.60
  5. Step 5: Solve for x
    x = 4,085,155,120.60/75,905.28
  6. Step 6: Final answer
    x = 53,819.12

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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.