Home / 115,829.08-173,625.90-45,611.80

Finding the Fourth Proportional to 115,829.08, 173,625.90 and 45,611.80

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Solution

The fourth proportional to 115,829.08, 173,625.90 and 45,611.80 is: 68,371.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    115,829.08 : 173,625.90 = 45,611.80 : x
  2. Step 2: Convert to fraction form
    115,829.08/173,625.90 = 45,611.80/x
  3. Step 3: Cross multiply
    115,829.08x = 173,625.90 × 45,611.80
  4. Step 4: Simplify right side
    115,829.08x = 7,919,389,825.62
  5. Step 5: Solve for x
    x = 7,919,389,825.62/115,829.08
  6. Step 6: Final answer
    x = 68,371.34

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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.