Home / 73,501.44-109,606.85-72,868.02

Finding the Fourth Proportional to 73,501.44, 109,606.85 and 72,868.02

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Solution

The fourth proportional to 73,501.44, 109,606.85 and 72,868.02 is: 108,662.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,501.44 : 109,606.85 = 72,868.02 : x
  2. Step 2: Convert to fraction form
    73,501.44/109,606.85 = 72,868.02/x
  3. Step 3: Cross multiply
    73,501.44x = 109,606.85 × 72,868.02
  4. Step 4: Simplify right side
    73,501.44x = 7,986,834,137.94
  5. Step 5: Solve for x
    x = 7,986,834,137.94/73,501.44
  6. Step 6: Final answer
    x = 108,662.28

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.