Home / 78,371.08-108,154.22-46,107.96

Finding the Fourth Proportional to 78,371.08, 108,154.22 and 46,107.96

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Solution

The fourth proportional to 78,371.08, 108,154.22 and 46,107.96 is: 63,630.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    78,371.08 : 108,154.22 = 46,107.96 : x
  2. Step 2: Convert to fraction form
    78,371.08/108,154.22 = 46,107.96/x
  3. Step 3: Cross multiply
    78,371.08x = 108,154.22 × 46,107.96
  4. Step 4: Simplify right side
    78,371.08x = 4,986,770,449.59
  5. Step 5: Solve for x
    x = 4,986,770,449.59/78,371.08
  6. Step 6: Final answer
    x = 63,630.24

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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.