Home / 69,800.15-104,701.32-17,209.64

Finding the Fourth Proportional to 69,800.15, 104,701.32 and 17,209.64

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Solution

The fourth proportional to 69,800.15, 104,701.32 and 17,209.64 is: 25,814.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,800.15 : 104,701.32 = 17,209.64 : x
  2. Step 2: Convert to fraction form
    69,800.15/104,701.32 = 17,209.64/x
  3. Step 3: Cross multiply
    69,800.15x = 104,701.32 × 17,209.64
  4. Step 4: Simplify right side
    69,800.15x = 1,801,871,501.22
  5. Step 5: Solve for x
    x = 1,801,871,501.22/69,800.15
  6. Step 6: Final answer
    x = 25,814.72

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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.