Home / 71,194.60-98,313.78-57,150.28

Finding the Fourth Proportional to 71,194.60, 98,313.78 and 57,150.28

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Solution

The fourth proportional to 71,194.60, 98,313.78 and 57,150.28 is: 78,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,194.60 : 98,313.78 = 57,150.28 : x
  2. Step 2: Convert to fraction form
    71,194.60/98,313.78 = 57,150.28/x
  3. Step 3: Cross multiply
    71,194.60x = 98,313.78 × 57,150.28
  4. Step 4: Simplify right side
    71,194.60x = 5,618,660,054.86
  5. Step 5: Solve for x
    x = 5,618,660,054.86/71,194.60
  6. Step 6: Final answer
    x = 78,919.75

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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.