Home / 83,746.26-115,567.25-47,933.91

Finding the Fourth Proportional to 83,746.26, 115,567.25 and 47,933.91

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Solution

The fourth proportional to 83,746.26, 115,567.25 and 47,933.91 is: 66,147.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,746.26 : 115,567.25 = 47,933.91 : x
  2. Step 2: Convert to fraction form
    83,746.26/115,567.25 = 47,933.91/x
  3. Step 3: Cross multiply
    83,746.26x = 115,567.25 × 47,933.91
  4. Step 4: Simplify right side
    83,746.26x = 5,539,589,920.78
  5. Step 5: Solve for x
    x = 5,539,589,920.78/83,746.26
  6. Step 6: Final answer
    x = 66,147.31

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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.