Home / 76,915.86-115,385.98-32,542.94

Finding the Fourth Proportional to 76,915.86, 115,385.98 and 32,542.94

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Solution

The fourth proportional to 76,915.86, 115,385.98 and 32,542.94 is: 48,819.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,915.86 : 115,385.98 = 32,542.94 : x
  2. Step 2: Convert to fraction form
    76,915.86/115,385.98 = 32,542.94/x
  3. Step 3: Cross multiply
    76,915.86x = 115,385.98 × 32,542.94
  4. Step 4: Simplify right side
    76,915.86x = 3,754,999,023.98
  5. Step 5: Solve for x
    x = 3,754,999,023.98/76,915.86
  6. Step 6: Final answer
    x = 48,819.57

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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.