Home / 53,194.20-79,718.40-43,352.70

Finding the Fourth Proportional to 53,194.20, 79,718.40 and 43,352.70

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Solution

The fourth proportional to 53,194.20, 79,718.40 and 43,352.70 is: 64,969.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,194.20 : 79,718.40 = 43,352.70 : x
  2. Step 2: Convert to fraction form
    53,194.20/79,718.40 = 43,352.70/x
  3. Step 3: Cross multiply
    53,194.20x = 79,718.40 × 43,352.70
  4. Step 4: Simplify right side
    53,194.20x = 3,456,007,879.68
  5. Step 5: Solve for x
    x = 3,456,007,879.68/53,194.20
  6. Step 6: Final answer
    x = 64,969.64

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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.