Home / 64,816.20-89,449.82-37,960.75

Finding the Fourth Proportional to 64,816.20, 89,449.82 and 37,960.75

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Solution

The fourth proportional to 64,816.20, 89,449.82 and 37,960.75 is: 52,387.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,816.20 : 89,449.82 = 37,960.75 : x
  2. Step 2: Convert to fraction form
    64,816.20/89,449.82 = 37,960.75/x
  3. Step 3: Cross multiply
    64,816.20x = 89,449.82 × 37,960.75
  4. Step 4: Simplify right side
    64,816.20x = 3,395,582,318.93
  5. Step 5: Solve for x
    x = 3,395,582,318.93/64,816.20
  6. Step 6: Final answer
    x = 52,387.86

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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.