Home / 73,844.64-101,905.92-40,311.36

Finding the Fourth Proportional to 73,844.64, 101,905.92 and 40,311.36

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Solution

The fourth proportional to 73,844.64, 101,905.92 and 40,311.36 is: 55,629.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,844.64 : 101,905.92 = 40,311.36 : x
  2. Step 2: Convert to fraction form
    73,844.64/101,905.92 = 40,311.36/x
  3. Step 3: Cross multiply
    73,844.64x = 101,905.92 × 40,311.36
  4. Step 4: Simplify right side
    73,844.64x = 4,107,966,227.25
  5. Step 5: Solve for x
    x = 4,107,966,227.25/73,844.64
  6. Step 6: Final answer
    x = 55,629.85

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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.