Home / 69,511.67-95,926.79-37,680.50

Finding the Fourth Proportional to 69,511.67, 95,926.79 and 37,680.50

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Solution

The fourth proportional to 69,511.67, 95,926.79 and 37,680.50 is: 51,999.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,511.67 : 95,926.79 = 37,680.50 : x
  2. Step 2: Convert to fraction form
    69,511.67/95,926.79 = 37,680.50/x
  3. Step 3: Cross multiply
    69,511.67x = 95,926.79 × 37,680.50
  4. Step 4: Simplify right side
    69,511.67x = 3,614,569,025.16
  5. Step 5: Solve for x
    x = 3,614,569,025.16/69,511.67
  6. Step 6: Final answer
    x = 51,999.45

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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.