Home / 69,288.87-95,633.49-43,779.03

Finding the Fourth Proportional to 69,288.87, 95,633.49 and 43,779.03

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Solution

The fourth proportional to 69,288.87, 95,633.49 and 43,779.03 is: 60,424.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,288.87 : 95,633.49 = 43,779.03 : x
  2. Step 2: Convert to fraction form
    69,288.87/95,633.49 = 43,779.03/x
  3. Step 3: Cross multiply
    69,288.87x = 95,633.49 × 43,779.03
  4. Step 4: Simplify right side
    69,288.87x = 4,186,741,401.81
  5. Step 5: Solve for x
    x = 4,186,741,401.81/69,288.87
  6. Step 6: Final answer
    x = 60,424.45

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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.