Home / 79,050.96-118,576.44-31,687.52

Finding the Fourth Proportional to 79,050.96, 118,576.44 and 31,687.52

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Solution

The fourth proportional to 79,050.96, 118,576.44 and 31,687.52 is: 47,531.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    79,050.96 : 118,576.44 = 31,687.52 : x
  2. Step 2: Convert to fraction form
    79,050.96/118,576.44 = 31,687.52/x
  3. Step 3: Cross multiply
    79,050.96x = 118,576.44 × 31,687.52
  4. Step 4: Simplify right side
    79,050.96x = 3,757,393,314.03
  5. Step 5: Solve for x
    x = 3,757,393,314.03/79,050.96
  6. Step 6: Final answer
    x = 47,531.28

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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.