Home / 69,197.12-103,698.24-39,570.56

Finding the Fourth Proportional to 69,197.12, 103,698.24 and 39,570.56

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Solution

The fourth proportional to 69,197.12, 103,698.24 and 39,570.56 is: 59,300.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    69,197.12 : 103,698.24 = 39,570.56 : x
  2. Step 2: Convert to fraction form
    69,197.12/103,698.24 = 39,570.56/x
  3. Step 3: Cross multiply
    69,197.12x = 103,698.24 × 39,570.56
  4. Step 4: Simplify right side
    69,197.12x = 4,103,397,427.81
  5. Step 5: Solve for x
    x = 4,103,397,427.81/69,197.12
  6. Step 6: Final answer
    x = 59,300.12

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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.