Home / 83,703.27-115,511.31-45,977.52

Finding the Fourth Proportional to 83,703.27, 115,511.31 and 45,977.52

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Solution

The fourth proportional to 83,703.27, 115,511.31 and 45,977.52 is: 63,449.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    83,703.27 : 115,511.31 = 45,977.52 : x
  2. Step 2: Convert to fraction form
    83,703.27/115,511.31 = 45,977.52/x
  3. Step 3: Cross multiply
    83,703.27x = 115,511.31 × 45,977.52
  4. Step 4: Simplify right side
    83,703.27x = 5,310,923,565.75
  5. Step 5: Solve for x
    x = 5,310,923,565.75/83,703.27
  6. Step 6: Final answer
    x = 63,449.42

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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.