Home / 117,729.44-162,463.08-64,014.56

Finding the Fourth Proportional to 117,729.44, 162,463.08 and 64,014.56

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Solution

The fourth proportional to 117,729.44, 162,463.08 and 64,014.56 is: 88,338.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    117,729.44 : 162,463.08 = 64,014.56 : x
  2. Step 2: Convert to fraction form
    117,729.44/162,463.08 = 64,014.56/x
  3. Step 3: Cross multiply
    117,729.44x = 162,463.08 × 64,014.56
  4. Step 4: Simplify right side
    117,729.44x = 10,400,002,582.44
  5. Step 5: Solve for x
    x = 10,400,002,582.44/117,729.44
  6. Step 6: Final answer
    x = 88,338.16

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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.