Home / 76,087.68-104,982.10-49,197.82

Finding the Fourth Proportional to 76,087.68, 104,982.10 and 49,197.82

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Solution

The fourth proportional to 76,087.68, 104,982.10 and 49,197.82 is: 67,880.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,087.68 : 104,982.10 = 49,197.82 : x
  2. Step 2: Convert to fraction form
    76,087.68/104,982.10 = 49,197.82/x
  3. Step 3: Cross multiply
    76,087.68x = 104,982.10 × 49,197.82
  4. Step 4: Simplify right side
    76,087.68x = 5,164,890,459.02
  5. Step 5: Solve for x
    x = 5,164,890,459.02/76,087.68
  6. Step 6: Final answer
    x = 67,880.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.