Home / 78,517.35-108,339.26-46,694.07

Finding the Fourth Proportional to 78,517.35, 108,339.26 and 46,694.07

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Solution

The fourth proportional to 78,517.35, 108,339.26 and 46,694.07 is: 64,429.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,517.35 : 108,339.26 = 46,694.07 : x
  2. Step 2: Convert to fraction form
    78,517.35/108,339.26 = 46,694.07/x
  3. Step 3: Cross multiply
    78,517.35x = 108,339.26 × 46,694.07
  4. Step 4: Simplify right side
    78,517.35x = 5,058,800,756.72
  5. Step 5: Solve for x
    x = 5,058,800,756.72/78,517.35
  6. Step 6: Final answer
    x = 64,429.08

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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.