Home / 106,318.39-159,477.58-72,937.27

Finding the Fourth Proportional to 106,318.39, 159,477.58 and 72,937.27

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Solution

The fourth proportional to 106,318.39, 159,477.58 and 72,937.27 is: 109,405.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,318.39 : 159,477.58 = 72,937.27 : x
  2. Step 2: Convert to fraction form
    106,318.39/159,477.58 = 72,937.27/x
  3. Step 3: Cross multiply
    106,318.39x = 159,477.58 × 72,937.27
  4. Step 4: Simplify right side
    106,318.39x = 11,631,859,311.41
  5. Step 5: Solve for x
    x = 11,631,859,311.41/106,318.39
  6. Step 6: Final answer
    x = 109,405.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.