Home / 69,328.09-95,463.06-57,183.43

Finding the Fourth Proportional to 69,328.09, 95,463.06 and 57,183.43

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Solution

The fourth proportional to 69,328.09, 95,463.06 and 57,183.43 is: 78,740.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,328.09 : 95,463.06 = 57,183.43 : x
  2. Step 2: Convert to fraction form
    69,328.09/95,463.06 = 57,183.43/x
  3. Step 3: Cross multiply
    69,328.09x = 95,463.06 × 57,183.43
  4. Step 4: Simplify right side
    69,328.09x = 5,458,905,209.10
  5. Step 5: Solve for x
    x = 5,458,905,209.10/69,328.09
  6. Step 6: Final answer
    x = 78,740.16

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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.