Home / 78,227.44-107,968.08-51,322.48

Finding the Fourth Proportional to 78,227.44, 107,968.08 and 51,322.48

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Solution

The fourth proportional to 78,227.44, 107,968.08 and 51,322.48 is: 70,834.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,227.44 : 107,968.08 = 51,322.48 : x
  2. Step 2: Convert to fraction form
    78,227.44/107,968.08 = 51,322.48/x
  3. Step 3: Cross multiply
    78,227.44x = 107,968.08 × 51,322.48
  4. Step 4: Simplify right side
    78,227.44x = 5,541,189,626.44
  5. Step 5: Solve for x
    x = 5,541,189,626.44/78,227.44
  6. Step 6: Final answer
    x = 70,834.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.