Home / 64,524.42-89,076.08-40,338.82

Finding the Fourth Proportional to 64,524.42, 89,076.08 and 40,338.82

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Solution

The fourth proportional to 64,524.42, 89,076.08 and 40,338.82 is: 55,687.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    64,524.42 : 89,076.08 = 40,338.82 : x
  2. Step 2: Convert to fraction form
    64,524.42/89,076.08 = 40,338.82/x
  3. Step 3: Cross multiply
    64,524.42x = 89,076.08 × 40,338.82
  4. Step 4: Simplify right side
    64,524.42x = 3,593,223,957.43
  5. Step 5: Solve for x
    x = 3,593,223,957.43/64,524.42
  6. Step 6: Final answer
    x = 55,687.81

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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.