Home / 112,914.92-169,372.45-38,028.81

Finding the Fourth Proportional to 112,914.92, 169,372.45 and 38,028.81

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Solution

The fourth proportional to 112,914.92, 169,372.45 and 38,028.81 is: 57,043.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    112,914.92 : 169,372.45 = 38,028.81 : x
  2. Step 2: Convert to fraction form
    112,914.92/169,372.45 = 38,028.81/x
  3. Step 3: Cross multiply
    112,914.92x = 169,372.45 × 38,028.81
  4. Step 4: Simplify right side
    112,914.92x = 6,441,032,720.28
  5. Step 5: Solve for x
    x = 6,441,032,720.28/112,914.92
  6. Step 6: Final answer
    x = 57,043.24

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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.