Home / 76,943.10-115,403.10-24,345.75

Finding the Fourth Proportional to 76,943.10, 115,403.10 and 24,345.75

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Solution

The fourth proportional to 76,943.10, 115,403.10 and 24,345.75 is: 36,514.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,943.10 : 115,403.10 = 24,345.75 : x
  2. Step 2: Convert to fraction form
    76,943.10/115,403.10 = 24,345.75/x
  3. Step 3: Cross multiply
    76,943.10x = 115,403.10 × 24,345.75
  4. Step 4: Simplify right side
    76,943.10x = 2,809,575,021.83
  5. Step 5: Solve for x
    x = 2,809,575,021.83/76,943.10
  6. Step 6: Final answer
    x = 36,514.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.