Home / 75,629.80-104,512.98-56,734.12

Finding the Fourth Proportional to 75,629.80, 104,512.98 and 56,734.12

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Solution

The fourth proportional to 75,629.80, 104,512.98 and 56,734.12 is: 78,401.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,629.80 : 104,512.98 = 56,734.12 : x
  2. Step 2: Convert to fraction form
    75,629.80/104,512.98 = 56,734.12/x
  3. Step 3: Cross multiply
    75,629.80x = 104,512.98 × 56,734.12
  4. Step 4: Simplify right side
    75,629.80x = 5,929,451,948.88
  5. Step 5: Solve for x
    x = 5,929,451,948.88/75,629.80
  6. Step 6: Final answer
    x = 78,401.00

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.