Home / 79,550.73-109,780.23-45,559.75

Finding the Fourth Proportional to 79,550.73, 109,780.23 and 45,559.75

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Solution

The fourth proportional to 79,550.73, 109,780.23 and 45,559.75 is: 62,872.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,550.73 : 109,780.23 = 45,559.75 : x
  2. Step 2: Convert to fraction form
    79,550.73/109,780.23 = 45,559.75/x
  3. Step 3: Cross multiply
    79,550.73x = 109,780.23 × 45,559.75
  4. Step 4: Simplify right side
    79,550.73x = 5,001,559,833.74
  5. Step 5: Solve for x
    x = 5,001,559,833.74/79,550.73
  6. Step 6: Final answer
    x = 62,872.58

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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.