Home / 63,947.19-95,928.20-21,256.44

Finding the Fourth Proportional to 63,947.19, 95,928.20 and 21,256.44

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Solution

The fourth proportional to 63,947.19, 95,928.20 and 21,256.44 is: 31,887.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    63,947.19 : 95,928.20 = 21,256.44 : x
  2. Step 2: Convert to fraction form
    63,947.19/95,928.20 = 21,256.44/x
  3. Step 3: Cross multiply
    63,947.19x = 95,928.20 × 21,256.44
  4. Step 4: Simplify right side
    63,947.19x = 2,039,091,921.33
  5. Step 5: Solve for x
    x = 2,039,091,921.33/63,947.19
  6. Step 6: Final answer
    x = 31,887.12

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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.