Home / 76,915.31-115,358.37-32,573.21

Finding the Fourth Proportional to 76,915.31, 115,358.37 and 32,573.21

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Solution

The fourth proportional to 76,915.31, 115,358.37 and 32,573.21 is: 48,853.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,915.31 : 115,358.37 = 32,573.21 : x
  2. Step 2: Convert to fraction form
    76,915.31/115,358.37 = 32,573.21/x
  3. Step 3: Cross multiply
    76,915.31x = 115,358.37 × 32,573.21
  4. Step 4: Simplify right side
    76,915.31x = 3,757,591,834.48
  5. Step 5: Solve for x
    x = 3,757,591,834.48/76,915.31
  6. Step 6: Final answer
    x = 48,853.63

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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.