Home / 77,550.48-116,096.09-47,872.89

Finding the Fourth Proportional to 77,550.48, 116,096.09 and 47,872.89

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Solution

The fourth proportional to 77,550.48, 116,096.09 and 47,872.89 is: 71,667.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    77,550.48 : 116,096.09 = 47,872.89 : x
  2. Step 2: Convert to fraction form
    77,550.48/116,096.09 = 47,872.89/x
  3. Step 3: Cross multiply
    77,550.48x = 116,096.09 × 47,872.89
  4. Step 4: Simplify right side
    77,550.48x = 5,557,855,106.64
  5. Step 5: Solve for x
    x = 5,557,855,106.64/77,550.48
  6. Step 6: Final answer
    x = 71,667.58

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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.