Home / 84,896.28-127,169.40-49,729.32

Finding the Fourth Proportional to 84,896.28, 127,169.40 and 49,729.32

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Solution

The fourth proportional to 84,896.28, 127,169.40 and 49,729.32 is: 74,491.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    84,896.28 : 127,169.40 = 49,729.32 : x
  2. Step 2: Convert to fraction form
    84,896.28/127,169.40 = 49,729.32/x
  3. Step 3: Cross multiply
    84,896.28x = 127,169.40 × 49,729.32
  4. Step 4: Simplify right side
    84,896.28x = 6,324,047,786.81
  5. Step 5: Solve for x
    x = 6,324,047,786.81/84,896.28
  6. Step 6: Final answer
    x = 74,491.46

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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.