Home / 83,751.30-115,578.36-46,025.28

Finding the Fourth Proportional to 83,751.30, 115,578.36 and 46,025.28

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Solution

The fourth proportional to 83,751.30, 115,578.36 and 46,025.28 is: 63,515.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,751.30 : 115,578.36 = 46,025.28 : x
  2. Step 2: Convert to fraction form
    83,751.30/115,578.36 = 46,025.28/x
  3. Step 3: Cross multiply
    83,751.30x = 115,578.36 × 46,025.28
  4. Step 4: Simplify right side
    83,751.30x = 5,319,526,380.94
  5. Step 5: Solve for x
    x = 5,319,526,380.94/83,751.30
  6. Step 6: Final answer
    x = 63,515.75

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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.