Home / 76,576.24-114,882.72-37,087.20

Finding the Fourth Proportional to 76,576.24, 114,882.72 and 37,087.20

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Solution

The fourth proportional to 76,576.24, 114,882.72 and 37,087.20 is: 55,639.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,576.24 : 114,882.72 = 37,087.20 : x
  2. Step 2: Convert to fraction form
    76,576.24/114,882.72 = 37,087.20/x
  3. Step 3: Cross multiply
    76,576.24x = 114,882.72 × 37,087.20
  4. Step 4: Simplify right side
    76,576.24x = 4,260,678,413.18
  5. Step 5: Solve for x
    x = 4,260,678,413.18/76,576.24
  6. Step 6: Final answer
    x = 55,639.69

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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.