Home / 76,021.98-114,051.51-53,576.40

Finding the Fourth Proportional to 76,021.98, 114,051.51 and 53,576.40

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Solution

The fourth proportional to 76,021.98, 114,051.51 and 53,576.40 is: 80,377.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021.98 : 114,051.51 = 53,576.40 : x
  2. Step 2: Convert to fraction form
    76,021.98/114,051.51 = 53,576.40/x
  3. Step 3: Cross multiply
    76,021.98x = 114,051.51 × 53,576.40
  4. Step 4: Simplify right side
    76,021.98x = 6,110,469,748.06
  5. Step 5: Solve for x
    x = 6,110,469,748.06/76,021.98
  6. Step 6: Final answer
    x = 80,377.68

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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.