Home / 69,188.24-103,615.92-39,516.08

Finding the Fourth Proportional to 69,188.24, 103,615.92 and 39,516.08

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Solution

The fourth proportional to 69,188.24, 103,615.92 and 39,516.08 is: 59,179.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,188.24 : 103,615.92 = 39,516.08 : x
  2. Step 2: Convert to fraction form
    69,188.24/103,615.92 = 39,516.08/x
  3. Step 3: Cross multiply
    69,188.24x = 103,615.92 × 39,516.08
  4. Step 4: Simplify right side
    69,188.24x = 4,094,494,983.99
  5. Step 5: Solve for x
    x = 4,094,494,983.99/69,188.24
  6. Step 6: Final answer
    x = 59,179.06

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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.