Home / 69,072.30-103,608.11-59,683.76

Finding the Fourth Proportional to 69,072.30, 103,608.11 and 59,683.76

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Solution

The fourth proportional to 69,072.30, 103,608.11 and 59,683.76 is: 89,525.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,072.30 : 103,608.11 = 59,683.76 : x
  2. Step 2: Convert to fraction form
    69,072.30/103,608.11 = 59,683.76/x
  3. Step 3: Cross multiply
    69,072.30x = 103,608.11 × 59,683.76
  4. Step 4: Simplify right side
    69,072.30x = 6,183,720,904.04
  5. Step 5: Solve for x
    x = 6,183,720,904.04/69,072.30
  6. Step 6: Final answer
    x = 89,525.33

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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.