Home / 64,550.20-89,074.29-36,250.42

Finding the Fourth Proportional to 64,550.20, 89,074.29 and 36,250.42

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Solution

The fourth proportional to 64,550.20, 89,074.29 and 36,250.42 is: 50,022.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,550.20 : 89,074.29 = 36,250.42 : x
  2. Step 2: Convert to fraction form
    64,550.20/89,074.29 = 36,250.42/x
  3. Step 3: Cross multiply
    64,550.20x = 89,074.29 × 36,250.42
  4. Step 4: Simplify right side
    64,550.20x = 3,228,980,423.70
  5. Step 5: Solve for x
    x = 3,228,980,423.70/64,550.20
  6. Step 6: Final answer
    x = 50,022.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.