Home / 64,660.50-89,230.61-36,366.18

Finding the Fourth Proportional to 64,660.50, 89,230.61 and 36,366.18

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Solution

The fourth proportional to 64,660.50, 89,230.61 and 36,366.18 is: 50,184.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,660.50 : 89,230.61 = 36,366.18 : x
  2. Step 2: Convert to fraction form
    64,660.50/89,230.61 = 36,366.18/x
  3. Step 3: Cross multiply
    64,660.50x = 89,230.61 × 36,366.18
  4. Step 4: Simplify right side
    64,660.50x = 3,244,976,242.94
  5. Step 5: Solve for x
    x = 3,244,976,242.94/64,660.50
  6. Step 6: Final answer
    x = 50,184.83

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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.