Home / 91,698.36-137,559.06-29,375.16

Finding the Fourth Proportional to 91,698.36, 137,559.06 and 29,375.16

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Solution

The fourth proportional to 91,698.36, 137,559.06 and 29,375.16 is: 44,066.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,698.36 : 137,559.06 = 29,375.16 : x
  2. Step 2: Convert to fraction form
    91,698.36/137,559.06 = 29,375.16/x
  3. Step 3: Cross multiply
    91,698.36x = 137,559.06 × 29,375.16
  4. Step 4: Simplify right side
    91,698.36x = 4,040,819,396.95
  5. Step 5: Solve for x
    x = 4,040,819,396.95/91,698.36
  6. Step 6: Final answer
    x = 44,066.43

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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.