Home / 91,647.18-137,504.82-29,322.54

Finding the Fourth Proportional to 91,647.18, 137,504.82 and 29,322.54

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Solution

The fourth proportional to 91,647.18, 137,504.82 and 29,322.54 is: 43,994.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    91,647.18 : 137,504.82 = 29,322.54 : x
  2. Step 2: Convert to fraction form
    91,647.18/137,504.82 = 29,322.54/x
  3. Step 3: Cross multiply
    91,647.18x = 137,504.82 × 29,322.54
  4. Step 4: Simplify right side
    91,647.18x = 4,031,990,584.64
  5. Step 5: Solve for x
    x = 4,031,990,584.64/91,647.18
  6. Step 6: Final answer
    x = 43,994.70

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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.