Home / 84,896.91-127,338.02-28,735.81

Finding the Fourth Proportional to 84,896.91, 127,338.02 and 28,735.81

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Solution

The fourth proportional to 84,896.91, 127,338.02 and 28,735.81 is: 43,101.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.91 : 127,338.02 = 28,735.81 : x
  2. Step 2: Convert to fraction form
    84,896.91/127,338.02 = 28,735.81/x
  3. Step 3: Cross multiply
    84,896.91x = 127,338.02 × 28,735.81
  4. Step 4: Simplify right side
    84,896.91x = 3,659,161,672.15
  5. Step 5: Solve for x
    x = 3,659,161,672.15/84,896.91
  6. Step 6: Final answer
    x = 43,101.24

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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.