Home / 76,677.18-114,896.19-48,537.78

Finding the Fourth Proportional to 76,677.18, 114,896.19 and 48,537.78

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Solution

The fourth proportional to 76,677.18, 114,896.19 and 48,537.78 is: 72,730.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,677.18 : 114,896.19 = 48,537.78 : x
  2. Step 2: Convert to fraction form
    76,677.18/114,896.19 = 48,537.78/x
  3. Step 3: Cross multiply
    76,677.18x = 114,896.19 × 48,537.78
  4. Step 4: Simplify right side
    76,677.18x = 5,576,805,993.06
  5. Step 5: Solve for x
    x = 5,576,805,993.06/76,677.18
  6. Step 6: Final answer
    x = 72,730.97

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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.