Home / 71,835.09-107,752.43-32,345.97

Finding the Fourth Proportional to 71,835.09, 107,752.43 and 32,345.97

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Solution

The fourth proportional to 71,835.09, 107,752.43 and 32,345.97 is: 48,518.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    71,835.09 : 107,752.43 = 32,345.97 : x
  2. Step 2: Convert to fraction form
    71,835.09/107,752.43 = 32,345.97/x
  3. Step 3: Cross multiply
    71,835.09x = 107,752.43 × 32,345.97
  4. Step 4: Simplify right side
    71,835.09x = 3,485,356,949.07
  5. Step 5: Solve for x
    x = 3,485,356,949.07/71,835.09
  6. Step 6: Final answer
    x = 48,518.86

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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.