Home / 76,581.14-114,828.51-29,780.42

Finding the Fourth Proportional to 76,581.14, 114,828.51 and 29,780.42

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Solution

The fourth proportional to 76,581.14, 114,828.51 and 29,780.42 is: 44,653.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,581.14 : 114,828.51 = 29,780.42 : x
  2. Step 2: Convert to fraction form
    76,581.14/114,828.51 = 29,780.42/x
  3. Step 3: Cross multiply
    76,581.14x = 114,828.51 × 29,780.42
  4. Step 4: Simplify right side
    76,581.14x = 3,419,641,255.77
  5. Step 5: Solve for x
    x = 3,419,641,255.77/76,581.14
  6. Step 6: Final answer
    x = 44,653.83

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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.