Home / 68,819.15-94,975.20-38,193.80

Finding the Fourth Proportional to 68,819.15, 94,975.20 and 38,193.80

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Solution

The fourth proportional to 68,819.15, 94,975.20 and 38,193.80 is: 52,710.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,819.15 : 94,975.20 = 38,193.80 : x
  2. Step 2: Convert to fraction form
    68,819.15/94,975.20 = 38,193.80/x
  3. Step 3: Cross multiply
    68,819.15x = 94,975.20 × 38,193.80
  4. Step 4: Simplify right side
    68,819.15x = 3,627,463,318.88
  5. Step 5: Solve for x
    x = 3,627,463,318.88/68,819.15
  6. Step 6: Final answer
    x = 52,710.08

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1.5x scale

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.