Home / 76,827.54-115,170.33-48,662.42

Finding the Fourth Proportional to 76,827.54, 115,170.33 and 48,662.42

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Solution

The fourth proportional to 76,827.54, 115,170.33 and 48,662.42 is: 72,948.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,827.54 : 115,170.33 = 48,662.42 : x
  2. Step 2: Convert to fraction form
    76,827.54/115,170.33 = 48,662.42/x
  3. Step 3: Cross multiply
    76,827.54x = 115,170.33 × 48,662.42
  4. Step 4: Simplify right side
    76,827.54x = 5,604,466,394.15
  5. Step 5: Solve for x
    x = 5,604,466,394.15/76,827.54
  6. Step 6: Final answer
    x = 72,948.66

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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.