Home / 68,947.26-103,220.01-51,256.32

Finding the Fourth Proportional to 68,947.26, 103,220.01 and 51,256.32

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Solution

The fourth proportional to 68,947.26, 103,220.01 and 51,256.32 is: 76,735.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,947.26 : 103,220.01 = 51,256.32 : x
  2. Step 2: Convert to fraction form
    68,947.26/103,220.01 = 51,256.32/x
  3. Step 3: Cross multiply
    68,947.26x = 103,220.01 × 51,256.32
  4. Step 4: Simplify right side
    68,947.26x = 5,290,677,862.96
  5. Step 5: Solve for x
    x = 5,290,677,862.96/68,947.26
  6. Step 6: Final answer
    x = 76,735.14

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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.