Home / 76,915.35-115,385.23-32,542.44

Finding the Fourth Proportional to 76,915.35, 115,385.23 and 32,542.44

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Solution

The fourth proportional to 76,915.35, 115,385.23 and 32,542.44 is: 48,818.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,915.35 : 115,385.23 = 32,542.44 : x
  2. Step 2: Convert to fraction form
    76,915.35/115,385.23 = 32,542.44/x
  3. Step 3: Cross multiply
    76,915.35x = 115,385.23 × 32,542.44
  4. Step 4: Simplify right side
    76,915.35x = 3,754,916,554.34
  5. Step 5: Solve for x
    x = 3,754,916,554.34/76,915.35
  6. Step 6: Final answer
    x = 48,818.82

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1.5x scale

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.