Home / 106,236.12-159,453-53,682.51

Finding the Fourth Proportional to 106,236.12, 159,453 and 53,682.51

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Solution

The fourth proportional to 106,236.12, 159,453 and 53,682.51 is: 80,573.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    106,236.12 : 159,453 = 53,682.51 : x
  2. Step 2: Convert to fraction form
    106,236.12/159,453 = 53,682.51/x
  3. Step 3: Cross multiply
    106,236.12x = 159,453 × 53,682.51
  4. Step 4: Simplify right side
    106,236.12x = 8,559,837,267.03
  5. Step 5: Solve for x
    x = 8,559,837,267.03/106,236.12
  6. Step 6: Final answer
    x = 80,573.70

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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.