Home / 75,980.24-113,983.32-33,875.60

Finding the Fourth Proportional to 75,980.24, 113,983.32 and 33,875.60

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Solution

The fourth proportional to 75,980.24, 113,983.32 and 33,875.60 is: 50,819.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,980.24 : 113,983.32 = 33,875.60 : x
  2. Step 2: Convert to fraction form
    75,980.24/113,983.32 = 33,875.60/x
  3. Step 3: Cross multiply
    75,980.24x = 113,983.32 × 33,875.60
  4. Step 4: Simplify right side
    75,980.24x = 3,861,253,354.99
  5. Step 5: Solve for x
    x = 3,861,253,354.99/75,980.24
  6. Step 6: Final answer
    x = 50,819.18

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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.